Home / 132,145.88-182,512.67-87,025.55

Finding the Fourth Proportional to 132,145.88, 182,512.67 and 87,025.55

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Solution

The fourth proportional to 132,145.88, 182,512.67 and 87,025.55 is: 120,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.88 : 182,512.67 = 87,025.55 : x
  2. Step 2: Convert to fraction form
    132,145.88/182,512.67 = 87,025.55/x
  3. Step 3: Cross multiply
    132,145.88x = 182,512.67 × 87,025.55
  4. Step 4: Simplify right side
    132,145.88x = 15,883,264,141.03
  5. Step 5: Solve for x
    x = 15,883,264,141.03/132,145.88
  6. Step 6: Final answer
    x = 120,194.93

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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.