Home / 132,548.07-182,910.85-72,118.95

Finding the Fourth Proportional to 132,548.07, 182,910.85 and 72,118.95

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Solution

The fourth proportional to 132,548.07, 182,910.85 and 72,118.95 is: 99,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,548.07 : 182,910.85 = 72,118.95 : x
  2. Step 2: Convert to fraction form
    132,548.07/182,910.85 = 72,118.95/x
  3. Step 3: Cross multiply
    132,548.07x = 182,910.85 × 72,118.95
  4. Step 4: Simplify right side
    132,548.07x = 13,191,338,445.61
  5. Step 5: Solve for x
    x = 13,191,338,445.61/132,548.07
  6. Step 6: Final answer
    x = 99,521.17

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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.