Home / 132,161.52-182,381.02-71,730.62

Finding the Fourth Proportional to 132,161.52, 182,381.02 and 71,730.62

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Solution

The fourth proportional to 132,161.52, 182,381.02 and 71,730.62 is: 98,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,161.52 : 182,381.02 = 71,730.62 : x
  2. Step 2: Convert to fraction form
    132,161.52/182,381.02 = 71,730.62/x
  3. Step 3: Cross multiply
    132,161.52x = 182,381.02 × 71,730.62
  4. Step 4: Simplify right side
    132,161.52x = 13,082,302,549.60
  5. Step 5: Solve for x
    x = 13,082,302,549.60/132,161.52
  6. Step 6: Final answer
    x = 98,987.23

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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.