Home / 284,001.24-391,921.78-156,677.16

Finding the Fourth Proportional to 284,001.24, 391,921.78 and 156,677.16

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Solution

The fourth proportional to 284,001.24, 391,921.78 and 156,677.16 is: 216,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,001.24 : 391,921.78 = 156,677.16 : x
  2. Step 2: Convert to fraction form
    284,001.24/391,921.78 = 156,677.16/x
  3. Step 3: Cross multiply
    284,001.24x = 391,921.78 × 156,677.16
  4. Step 4: Simplify right side
    284,001.24x = 61,405,191,432.54
  5. Step 5: Solve for x
    x = 61,405,191,432.54/284,001.24
  6. Step 6: Final answer
    x = 216,214.52

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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.