Home / 132,334.74-198,390.51-57,398.45

Finding the Fourth Proportional to 132,334.74, 198,390.51 and 57,398.45

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Solution

The fourth proportional to 132,334.74, 198,390.51 and 57,398.45 is: 86,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.74 : 198,390.51 = 57,398.45 : x
  2. Step 2: Convert to fraction form
    132,334.74/198,390.51 = 57,398.45/x
  3. Step 3: Cross multiply
    132,334.74x = 198,390.51 × 57,398.45
  4. Step 4: Simplify right side
    132,334.74x = 11,387,306,776.76
  5. Step 5: Solve for x
    x = 11,387,306,776.76/132,334.74
  6. Step 6: Final answer
    x = 86,049.26

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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.