Home / 113,156.80-169,753.52-38,281.48

Finding the Fourth Proportional to 113,156.80, 169,753.52 and 38,281.48

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Solution

The fourth proportional to 113,156.80, 169,753.52 and 38,281.48 is: 57,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,156.80 : 169,753.52 = 38,281.48 : x
  2. Step 2: Convert to fraction form
    113,156.80/169,753.52 = 38,281.48/x
  3. Step 3: Cross multiply
    113,156.80x = 169,753.52 × 38,281.48
  4. Step 4: Simplify right side
    113,156.80x = 6,498,415,980.81
  5. Step 5: Solve for x
    x = 6,498,415,980.81/113,156.80
  6. Step 6: Final answer
    x = 57,428.42

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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.