Home / 191,515.14-287,319.24-58,397.76

Finding the Fourth Proportional to 191,515.14, 287,319.24 and 58,397.76

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Solution

The fourth proportional to 191,515.14, 287,319.24 and 58,397.76 is: 87,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,515.14 : 287,319.24 = 58,397.76 : x
  2. Step 2: Convert to fraction form
    191,515.14/287,319.24 = 58,397.76/x
  3. Step 3: Cross multiply
    191,515.14x = 287,319.24 × 58,397.76
  4. Step 4: Simplify right side
    191,515.14x = 16,778,800,020.90
  5. Step 5: Solve for x
    x = 16,778,800,020.90/191,515.14
  6. Step 6: Final answer
    x = 87,610.83

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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.