Home / 132,891.66-183,387.09-72,462.42

Finding the Fourth Proportional to 132,891.66, 183,387.09 and 72,462.42

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Solution

The fourth proportional to 132,891.66, 183,387.09 and 72,462.42 is: 99,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.66 : 183,387.09 = 72,462.42 : x
  2. Step 2: Convert to fraction form
    132,891.66/183,387.09 = 72,462.42/x
  3. Step 3: Cross multiply
    132,891.66x = 183,387.09 × 72,462.42
  4. Step 4: Simplify right side
    132,891.66x = 13,288,672,338.16
  5. Step 5: Solve for x
    x = 13,288,672,338.16/132,891.66
  6. Step 6: Final answer
    x = 99,996.29

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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.