Home / 117,740.40-176,592.60-38,854.80

Finding the Fourth Proportional to 117,740.40, 176,592.60 and 38,854.80

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Solution

The fourth proportional to 117,740.40, 176,592.60 and 38,854.80 is: 58,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.40 : 176,592.60 = 38,854.80 : x
  2. Step 2: Convert to fraction form
    117,740.40/176,592.60 = 38,854.80/x
  3. Step 3: Cross multiply
    117,740.40x = 176,592.60 × 38,854.80
  4. Step 4: Simplify right side
    117,740.40x = 6,861,470,154.48
  5. Step 5: Solve for x
    x = 6,861,470,154.48/117,740.40
  6. Step 6: Final answer
    x = 58,276.26

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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.