Home / 136,032.73-187,838.49-113,489.92

Finding the Fourth Proportional to 136,032.73, 187,838.49 and 113,489.92

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Solution

The fourth proportional to 136,032.73, 187,838.49 and 113,489.92 is: 156,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,032.73 : 187,838.49 = 113,489.92 : x
  2. Step 2: Convert to fraction form
    136,032.73/187,838.49 = 113,489.92/x
  3. Step 3: Cross multiply
    136,032.73x = 187,838.49 × 113,489.92
  4. Step 4: Simplify right side
    136,032.73x = 21,317,775,863.41
  5. Step 5: Solve for x
    x = 21,317,775,863.41/136,032.73
  6. Step 6: Final answer
    x = 156,710.64

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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.