Home / 118,125.64-162,972.66-82,302.58

Finding the Fourth Proportional to 118,125.64, 162,972.66 and 82,302.58

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Solution

The fourth proportional to 118,125.64, 162,972.66 and 82,302.58 is: 113,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.64 : 162,972.66 = 82,302.58 : x
  2. Step 2: Convert to fraction form
    118,125.64/162,972.66 = 82,302.58/x
  3. Step 3: Cross multiply
    118,125.64x = 162,972.66 × 82,302.58
  4. Step 4: Simplify right side
    118,125.64x = 13,413,070,387.46
  5. Step 5: Solve for x
    x = 13,413,070,387.46/118,125.64
  6. Step 6: Final answer
    x = 113,549.19

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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.