Home / 132,145.92-182,362.70-71,717.08

Finding the Fourth Proportional to 132,145.92, 182,362.70 and 71,717.08

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Solution

The fourth proportional to 132,145.92, 182,362.70 and 71,717.08 is: 98,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.92 : 182,362.70 = 71,717.08 : x
  2. Step 2: Convert to fraction form
    132,145.92/182,362.70 = 71,717.08/x
  3. Step 3: Cross multiply
    132,145.92x = 182,362.70 × 71,717.08
  4. Step 4: Simplify right side
    132,145.92x = 13,078,520,344.92
  5. Step 5: Solve for x
    x = 13,078,520,344.92/132,145.92
  6. Step 6: Final answer
    x = 98,970.29

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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.