Home / 132,324.64-182,531.28-87,010.72

Finding the Fourth Proportional to 132,324.64, 182,531.28 and 87,010.72

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Solution

The fourth proportional to 132,324.64, 182,531.28 and 87,010.72 is: 120,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,324.64 : 182,531.28 = 87,010.72 : x
  2. Step 2: Convert to fraction form
    132,324.64/182,531.28 = 87,010.72/x
  3. Step 3: Cross multiply
    132,324.64x = 182,531.28 × 87,010.72
  4. Step 4: Simplify right side
    132,324.64x = 15,882,178,095.32
  5. Step 5: Solve for x
    x = 15,882,178,095.32/132,324.64
  6. Step 6: Final answer
    x = 120,024.34

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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.