Home / 113,148.12-169,740.50-38,272.73

Finding the Fourth Proportional to 113,148.12, 169,740.50 and 38,272.73

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Solution

The fourth proportional to 113,148.12, 169,740.50 and 38,272.73 is: 57,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.12 : 169,740.50 = 38,272.73 : x
  2. Step 2: Convert to fraction form
    113,148.12/169,740.50 = 38,272.73/x
  3. Step 3: Cross multiply
    113,148.12x = 169,740.50 × 38,272.73
  4. Step 4: Simplify right side
    113,148.12x = 6,496,431,286.50
  5. Step 5: Solve for x
    x = 6,496,431,286.50/113,148.12
  6. Step 6: Final answer
    x = 57,415.28

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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.