Home / 113,145.75-169,719.08-34,260.66

Finding the Fourth Proportional to 113,145.75, 169,719.08 and 34,260.66

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Solution

The fourth proportional to 113,145.75, 169,719.08 and 34,260.66 is: 51,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.75 : 169,719.08 = 34,260.66 : x
  2. Step 2: Convert to fraction form
    113,145.75/169,719.08 = 34,260.66/x
  3. Step 3: Cross multiply
    113,145.75x = 169,719.08 × 34,260.66
  4. Step 4: Simplify right side
    113,145.75x = 5,814,687,695.39
  5. Step 5: Solve for x
    x = 5,814,687,695.39/113,145.75
  6. Step 6: Final answer
    x = 51,391.13

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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.