Home / 153,175.65-211,351.11-89,501.14

Finding the Fourth Proportional to 153,175.65, 211,351.11 and 89,501.14

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Solution

The fourth proportional to 153,175.65, 211,351.11 and 89,501.14 is: 123,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,175.65 : 211,351.11 = 89,501.14 : x
  2. Step 2: Convert to fraction form
    153,175.65/211,351.11 = 89,501.14/x
  3. Step 3: Cross multiply
    153,175.65x = 211,351.11 × 89,501.14
  4. Step 4: Simplify right side
    153,175.65x = 18,916,165,285.27
  5. Step 5: Solve for x
    x = 18,916,165,285.27/153,175.65
  6. Step 6: Final answer
    x = 123,493.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.