Home / 177,780.40-245,337.18-101,296.15

Finding the Fourth Proportional to 177,780.40, 245,337.18 and 101,296.15

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Solution

The fourth proportional to 177,780.40, 245,337.18 and 101,296.15 is: 139,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,780.40 : 245,337.18 = 101,296.15 : x
  2. Step 2: Convert to fraction form
    177,780.40/245,337.18 = 101,296.15/x
  3. Step 3: Cross multiply
    177,780.40x = 245,337.18 × 101,296.15
  4. Step 4: Simplify right side
    177,780.40x = 24,851,711,785.86
  5. Step 5: Solve for x
    x = 24,851,711,785.86/177,780.40
  6. Step 6: Final answer
    x = 139,788.82

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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.