Home / 132,434.95-198,648.01-57,555.16

Finding the Fourth Proportional to 132,434.95, 198,648.01 and 57,555.16

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Solution

The fourth proportional to 132,434.95, 198,648.01 and 57,555.16 is: 86,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,434.95 : 198,648.01 = 57,555.16 : x
  2. Step 2: Convert to fraction form
    132,434.95/198,648.01 = 57,555.16/x
  3. Step 3: Cross multiply
    132,434.95x = 198,648.01 × 57,555.16
  4. Step 4: Simplify right side
    132,434.95x = 11,433,217,574.56
  5. Step 5: Solve for x
    x = 11,433,217,574.56/132,434.95
  6. Step 6: Final answer
    x = 86,330.82

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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.