Home / 283,625.60-391,402.53-156,301.16

Finding the Fourth Proportional to 283,625.60, 391,402.53 and 156,301.16

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Solution

The fourth proportional to 283,625.60, 391,402.53 and 156,301.16 is: 215,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,625.60 : 391,402.53 = 156,301.16 : x
  2. Step 2: Convert to fraction form
    283,625.60/391,402.53 = 156,301.16/x
  3. Step 3: Cross multiply
    283,625.60x = 391,402.53 × 156,301.16
  4. Step 4: Simplify right side
    283,625.60x = 61,176,667,508.92
  5. Step 5: Solve for x
    x = 61,176,667,508.92/283,625.60
  6. Step 6: Final answer
    x = 215,695.16

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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.