Home / 132,111.95-182,414.30-81,194.94

Finding the Fourth Proportional to 132,111.95, 182,414.30 and 81,194.94

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Solution

The fourth proportional to 132,111.95, 182,414.30 and 81,194.94 is: 112,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,111.95 : 182,414.30 = 81,194.94 : x
  2. Step 2: Convert to fraction form
    132,111.95/182,414.30 = 81,194.94/x
  3. Step 3: Cross multiply
    132,111.95x = 182,414.30 × 81,194.94
  4. Step 4: Simplify right side
    132,111.95x = 14,811,117,737.67
  5. Step 5: Solve for x
    x = 14,811,117,737.67/132,111.95
  6. Step 6: Final answer
    x = 112,110.36

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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.