Home / 132,974.52-183,504.57-72,545.16

Finding the Fourth Proportional to 132,974.52, 183,504.57 and 72,545.16

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Solution

The fourth proportional to 132,974.52, 183,504.57 and 72,545.16 is: 100,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,974.52 : 183,504.57 = 72,545.16 : x
  2. Step 2: Convert to fraction form
    132,974.52/183,504.57 = 72,545.16/x
  3. Step 3: Cross multiply
    132,974.52x = 183,504.57 × 72,545.16
  4. Step 4: Simplify right side
    132,974.52x = 13,312,368,391.38
  5. Step 5: Solve for x
    x = 13,312,368,391.38/132,974.52
  6. Step 6: Final answer
    x = 100,112.17

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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.