Home / 132,208.59-182,446.83-71,778.02

Finding the Fourth Proportional to 132,208.59, 182,446.83 and 71,778.02

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Solution

The fourth proportional to 132,208.59, 182,446.83 and 71,778.02 is: 99,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,208.59 : 182,446.83 = 71,778.02 : x
  2. Step 2: Convert to fraction form
    132,208.59/182,446.83 = 71,778.02/x
  3. Step 3: Cross multiply
    132,208.59x = 182,446.83 × 71,778.02
  4. Step 4: Simplify right side
    132,208.59x = 13,095,672,839.84
  5. Step 5: Solve for x
    x = 13,095,672,839.84/132,208.59
  6. Step 6: Final answer
    x = 99,053.11

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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.