Home / 132,201.45-182,438.12-71,772.06

Finding the Fourth Proportional to 132,201.45, 182,438.12 and 71,772.06

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Solution

The fourth proportional to 132,201.45, 182,438.12 and 71,772.06 is: 99,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,201.45 : 182,438.12 = 71,772.06 : x
  2. Step 2: Convert to fraction form
    132,201.45/182,438.12 = 71,772.06/x
  3. Step 3: Cross multiply
    132,201.45x = 182,438.12 × 71,772.06
  4. Step 4: Simplify right side
    132,201.45x = 13,093,959,532.29
  5. Step 5: Solve for x
    x = 13,093,959,532.29/132,201.45
  6. Step 6: Final answer
    x = 99,045.51

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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.