Home / 113,220.14-169,876.33-57,076.43

Finding the Fourth Proportional to 113,220.14, 169,876.33 and 57,076.43

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Solution

The fourth proportional to 113,220.14, 169,876.33 and 57,076.43 is: 85,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.14 : 169,876.33 = 57,076.43 : x
  2. Step 2: Convert to fraction form
    113,220.14/169,876.33 = 57,076.43/x
  3. Step 3: Cross multiply
    113,220.14x = 169,876.33 × 57,076.43
  4. Step 4: Simplify right side
    113,220.14x = 9,695,933,465.83
  5. Step 5: Solve for x
    x = 9,695,933,465.83/113,220.14
  6. Step 6: Final answer
    x = 85,637.89

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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.