Home / 132,153.69-182,373.41-71,724.87

Finding the Fourth Proportional to 132,153.69, 182,373.41 and 71,724.87

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Solution

The fourth proportional to 132,153.69, 182,373.41 and 71,724.87 is: 98,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,153.69 : 182,373.41 = 71,724.87 : x
  2. Step 2: Convert to fraction form
    132,153.69/182,373.41 = 71,724.87/x
  3. Step 3: Cross multiply
    132,153.69x = 182,373.41 × 71,724.87
  4. Step 4: Simplify right side
    132,153.69x = 13,080,708,765.08
  5. Step 5: Solve for x
    x = 13,080,708,765.08/132,153.69
  6. Step 6: Final answer
    x = 98,981.03

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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.