Home / 132,411.60-182,682.36-75,042.72

Finding the Fourth Proportional to 132,411.60, 182,682.36 and 75,042.72

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Solution

The fourth proportional to 132,411.60, 182,682.36 and 75,042.72 is: 103,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,411.60 : 182,682.36 = 75,042.72 : x
  2. Step 2: Convert to fraction form
    132,411.60/182,682.36 = 75,042.72/x
  3. Step 3: Cross multiply
    132,411.60x = 182,682.36 × 75,042.72
  4. Step 4: Simplify right side
    132,411.60x = 13,708,981,190.42
  5. Step 5: Solve for x
    x = 13,708,981,190.42/132,411.60
  6. Step 6: Final answer
    x = 103,533.08

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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.