Home / 442,150.82-662,977.09-153,830.24

Finding the Fourth Proportional to 442,150.82, 662,977.09 and 153,830.24

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Solution

The fourth proportional to 442,150.82, 662,977.09 and 153,830.24 is: 230,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,150.82 : 662,977.09 = 153,830.24 : x
  2. Step 2: Convert to fraction form
    442,150.82/662,977.09 = 153,830.24/x
  3. Step 3: Cross multiply
    442,150.82x = 662,977.09 × 153,830.24
  4. Step 4: Simplify right side
    442,150.82x = 101,985,924,869.20
  5. Step 5: Solve for x
    x = 101,985,924,869.20/442,150.82
  6. Step 6: Final answer
    x = 230,658.68

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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.