Home / 132,411.43-182,725.62-71,983.60

Finding the Fourth Proportional to 132,411.43, 182,725.62 and 71,983.60

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Solution

The fourth proportional to 132,411.43, 182,725.62 and 71,983.60 is: 99,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,411.43 : 182,725.62 = 71,983.60 : x
  2. Step 2: Convert to fraction form
    132,411.43/182,725.62 = 71,983.60/x
  3. Step 3: Cross multiply
    132,411.43x = 182,725.62 × 71,983.60
  4. Step 4: Simplify right side
    132,411.43x = 13,153,247,939.83
  5. Step 5: Solve for x
    x = 13,153,247,939.83/132,411.43
  6. Step 6: Final answer
    x = 99,336.20

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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.