Home / 442,148.82-662,974.10-153,828.24

Finding the Fourth Proportional to 442,148.82, 662,974.10 and 153,828.24

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Solution

The fourth proportional to 442,148.82, 662,974.10 and 153,828.24 is: 230,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,148.82 : 662,974.10 = 153,828.24 : x
  2. Step 2: Convert to fraction form
    442,148.82/662,974.10 = 153,828.24/x
  3. Step 3: Cross multiply
    442,148.82x = 662,974.10 × 153,828.24
  4. Step 4: Simplify right side
    442,148.82x = 101,984,135,713.29
  5. Step 5: Solve for x
    x = 101,984,135,713.29/442,148.82
  6. Step 6: Final answer
    x = 230,655.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.