Home / 130,890.60-196,177.17-59,715.73

Finding the Fourth Proportional to 130,890.60, 196,177.17 and 59,715.73

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Solution

The fourth proportional to 130,890.60, 196,177.17 and 59,715.73 is: 89,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,890.60 : 196,177.17 = 59,715.73 : x
  2. Step 2: Convert to fraction form
    130,890.60/196,177.17 = 59,715.73/x
  3. Step 3: Cross multiply
    130,890.60x = 196,177.17 × 59,715.73
  4. Step 4: Simplify right side
    130,890.60x = 11,714,863,385.04
  5. Step 5: Solve for x
    x = 11,714,863,385.04/130,890.60
  6. Step 6: Final answer
    x = 89,501.18

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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.