Home / 132,849.60-182,959.20-129,946.56

Finding the Fourth Proportional to 132,849.60, 182,959.20 and 129,946.56

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Solution

The fourth proportional to 132,849.60, 182,959.20 and 129,946.56 is: 178,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.60 : 182,959.20 = 129,946.56 : x
  2. Step 2: Convert to fraction form
    132,849.60/182,959.20 = 129,946.56/x
  3. Step 3: Cross multiply
    132,849.60x = 182,959.20 × 129,946.56
  4. Step 4: Simplify right side
    132,849.60x = 23,774,918,660.35
  5. Step 5: Solve for x
    x = 23,774,918,660.35/132,849.60
  6. Step 6: Final answer
    x = 178,961.16

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1.5x scale

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.