Home / 284,039.36-391,996.32-156,726.08

Finding the Fourth Proportional to 284,039.36, 391,996.32 and 156,726.08

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Solution

The fourth proportional to 284,039.36, 391,996.32 and 156,726.08 is: 216,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,039.36 : 391,996.32 = 156,726.08 : x
  2. Step 2: Convert to fraction form
    284,039.36/391,996.32 = 156,726.08/x
  3. Step 3: Cross multiply
    284,039.36x = 391,996.32 × 156,726.08
  4. Step 4: Simplify right side
    284,039.36x = 61,436,046,608.03
  5. Step 5: Solve for x
    x = 61,436,046,608.03/284,039.36
  6. Step 6: Final answer
    x = 216,294.13

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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.