Home / 132,155.69-182,376.17-71,726.87

Finding the Fourth Proportional to 132,155.69, 182,376.17 and 71,726.87

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Solution

The fourth proportional to 132,155.69, 182,376.17 and 71,726.87 is: 98,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.69 : 182,376.17 = 71,726.87 : x
  2. Step 2: Convert to fraction form
    132,155.69/182,376.17 = 71,726.87/x
  3. Step 3: Cross multiply
    132,155.69x = 182,376.17 × 71,726.87
  4. Step 4: Simplify right side
    132,155.69x = 13,081,271,478.05
  5. Step 5: Solve for x
    x = 13,081,271,478.05/132,155.69
  6. Step 6: Final answer
    x = 98,983.79

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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.