Home / 284,014.91-391,934.00-156,690.47

Finding the Fourth Proportional to 284,014.91, 391,934.00 and 156,690.47

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Solution

The fourth proportional to 284,014.91, 391,934.00 and 156,690.47 is: 216,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,014.91 : 391,934.00 = 156,690.47 : x
  2. Step 2: Convert to fraction form
    284,014.91/391,934.00 = 156,690.47/x
  3. Step 3: Cross multiply
    284,014.91x = 391,934.00 × 156,690.47
  4. Step 4: Simplify right side
    284,014.91x = 61,412,319,925.86
  5. Step 5: Solve for x
    x = 61,412,319,925.86/284,014.91
  6. Step 6: Final answer
    x = 216,229.21

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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.