Home / 113,086.78-169,630.19-38,207.14

Finding the Fourth Proportional to 113,086.78, 169,630.19 and 38,207.14

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Solution

The fourth proportional to 113,086.78, 169,630.19 and 38,207.14 is: 57,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086.78 : 169,630.19 = 38,207.14 : x
  2. Step 2: Convert to fraction form
    113,086.78/169,630.19 = 38,207.14/x
  3. Step 3: Cross multiply
    113,086.78x = 169,630.19 × 38,207.14
  4. Step 4: Simplify right side
    113,086.78x = 6,481,084,417.56
  5. Step 5: Solve for x
    x = 6,481,084,417.56/113,086.78
  6. Step 6: Final answer
    x = 57,310.72

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1.5x scale

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.