Home / 132,493.47-182,843.34-72,065.43

Finding the Fourth Proportional to 132,493.47, 182,843.34 and 72,065.43

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Solution

The fourth proportional to 132,493.47, 182,843.34 and 72,065.43 is: 99,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,493.47 : 182,843.34 = 72,065.43 : x
  2. Step 2: Convert to fraction form
    132,493.47/182,843.34 = 72,065.43/x
  3. Step 3: Cross multiply
    132,493.47x = 182,843.34 × 72,065.43
  4. Step 4: Simplify right side
    132,493.47x = 13,176,683,919.74
  5. Step 5: Solve for x
    x = 13,176,683,919.74/132,493.47
  6. Step 6: Final answer
    x = 99,451.57

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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.