Home / 391,895.28-588,045.18-167,195.40

Finding the Fourth Proportional to 391,895.28, 588,045.18 and 167,195.40

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Solution

The fourth proportional to 391,895.28, 588,045.18 and 167,195.40 is: 250,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,895.28 : 588,045.18 = 167,195.40 : x
  2. Step 2: Convert to fraction form
    391,895.28/588,045.18 = 167,195.40/x
  3. Step 3: Cross multiply
    391,895.28x = 588,045.18 × 167,195.40
  4. Step 4: Simplify right side
    391,895.28x = 98,318,449,088.17
  5. Step 5: Solve for x
    x = 98,318,449,088.17/391,895.28
  6. Step 6: Final answer
    x = 250,879.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.