Home / 132,304.05-182,578.86-71,874.21

Finding the Fourth Proportional to 132,304.05, 182,578.86 and 71,874.21

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Solution

The fourth proportional to 132,304.05, 182,578.86 and 71,874.21 is: 99,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,304.05 : 182,578.86 = 71,874.21 : x
  2. Step 2: Convert to fraction form
    132,304.05/182,578.86 = 71,874.21/x
  3. Step 3: Cross multiply
    132,304.05x = 182,578.86 × 71,874.21
  4. Step 4: Simplify right side
    132,304.05x = 13,122,711,325.20
  5. Step 5: Solve for x
    x = 13,122,711,325.20/132,304.05
  6. Step 6: Final answer
    x = 99,186.01

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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.