Home / 132,787.98-183,245.13-72,359.15

Finding the Fourth Proportional to 132,787.98, 183,245.13 and 72,359.15

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Solution

The fourth proportional to 132,787.98, 183,245.13 and 72,359.15 is: 99,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.98 : 183,245.13 = 72,359.15 : x
  2. Step 2: Convert to fraction form
    132,787.98/183,245.13 = 72,359.15/x
  3. Step 3: Cross multiply
    132,787.98x = 183,245.13 × 72,359.15
  4. Step 4: Simplify right side
    132,787.98x = 13,259,460,932.21
  5. Step 5: Solve for x
    x = 13,259,460,932.21/132,787.98
  6. Step 6: Final answer
    x = 99,854.38

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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.