Home / 132,380.09-182,685.74-71,950.87

Finding the Fourth Proportional to 132,380.09, 182,685.74 and 71,950.87

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Solution

The fourth proportional to 132,380.09, 182,685.74 and 71,950.87 is: 99,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.09 : 182,685.74 = 71,950.87 : x
  2. Step 2: Convert to fraction form
    132,380.09/182,685.74 = 71,950.87/x
  3. Step 3: Cross multiply
    132,380.09x = 182,685.74 × 71,950.87
  4. Step 4: Simplify right side
    132,380.09x = 13,144,397,798.20
  5. Step 5: Solve for x
    x = 13,144,397,798.20/132,380.09
  6. Step 6: Final answer
    x = 99,292.86

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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.