Home / 113,248.40-169,872.60-57,261.20

Finding the Fourth Proportional to 113,248.40, 169,872.60 and 57,261.20

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Solution

The fourth proportional to 113,248.40, 169,872.60 and 57,261.20 is: 85,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,248.40 : 169,872.60 = 57,261.20 : x
  2. Step 2: Convert to fraction form
    113,248.40/169,872.60 = 57,261.20/x
  3. Step 3: Cross multiply
    113,248.40x = 169,872.60 × 57,261.20
  4. Step 4: Simplify right side
    113,248.40x = 9,727,108,923.12
  5. Step 5: Solve for x
    x = 9,727,108,923.12/113,248.40
  6. Step 6: Final answer
    x = 85,891.80

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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.