Home / 134,905.20-202,357.80-112,925.85

Finding the Fourth Proportional to 134,905.20, 202,357.80 and 112,925.85

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Solution

The fourth proportional to 134,905.20, 202,357.80 and 112,925.85 is: 169,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,905.20 : 202,357.80 = 112,925.85 : x
  2. Step 2: Convert to fraction form
    134,905.20/202,357.80 = 112,925.85/x
  3. Step 3: Cross multiply
    134,905.20x = 202,357.80 × 112,925.85
  4. Step 4: Simplify right side
    134,905.20x = 22,851,426,569.13
  5. Step 5: Solve for x
    x = 22,851,426,569.13/134,905.20
  6. Step 6: Final answer
    x = 169,388.78

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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.