Home / 132,370.77-198,444.51-57,434.43

Finding the Fourth Proportional to 132,370.77, 198,444.51 and 57,434.43

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Solution

The fourth proportional to 132,370.77, 198,444.51 and 57,434.43 is: 86,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.77 : 198,444.51 = 57,434.43 : x
  2. Step 2: Convert to fraction form
    132,370.77/198,444.51 = 57,434.43/x
  3. Step 3: Cross multiply
    132,370.77x = 198,444.51 × 57,434.43
  4. Step 4: Simplify right side
    132,370.77x = 11,397,547,318.48
  5. Step 5: Solve for x
    x = 11,397,547,318.48/132,370.77
  6. Step 6: Final answer
    x = 86,103.20

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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.