Home / 132,142.90-182,358.54-71,714.08

Finding the Fourth Proportional to 132,142.90, 182,358.54 and 71,714.08

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Solution

The fourth proportional to 132,142.90, 182,358.54 and 71,714.08 is: 98,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,142.90 : 182,358.54 = 71,714.08 : x
  2. Step 2: Convert to fraction form
    132,142.90/182,358.54 = 71,714.08/x
  3. Step 3: Cross multiply
    132,142.90x = 182,358.54 × 71,714.08
  4. Step 4: Simplify right side
    132,142.90x = 13,077,674,926.24
  5. Step 5: Solve for x
    x = 13,077,674,926.24/132,142.90
  6. Step 6: Final answer
    x = 98,966.16

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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.