Home / 284,017.23-391,946.18-156,701.43

Finding the Fourth Proportional to 284,017.23, 391,946.18 and 156,701.43

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Solution

The fourth proportional to 284,017.23, 391,946.18 and 156,701.43 is: 216,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,017.23 : 391,946.18 = 156,701.43 : x
  2. Step 2: Convert to fraction form
    284,017.23/391,946.18 = 156,701.43/x
  3. Step 3: Cross multiply
    284,017.23x = 391,946.18 × 156,701.43
  4. Step 4: Simplify right side
    284,017.23x = 61,418,526,105.53
  5. Step 5: Solve for x
    x = 61,418,526,105.53/284,017.23
  6. Step 6: Final answer
    x = 216,249.30

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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.