Home / 132,531.66-182,894.13-72,102.29

Finding the Fourth Proportional to 132,531.66, 182,894.13 and 72,102.29

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Solution

The fourth proportional to 132,531.66, 182,894.13 and 72,102.29 is: 99,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.66 : 182,894.13 = 72,102.29 : x
  2. Step 2: Convert to fraction form
    132,531.66/182,894.13 = 72,102.29/x
  3. Step 3: Cross multiply
    132,531.66x = 182,894.13 × 72,102.29
  4. Step 4: Simplify right side
    132,531.66x = 13,187,085,240.05
  5. Step 5: Solve for x
    x = 13,187,085,240.05/132,531.66
  6. Step 6: Final answer
    x = 99,501.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.