Home / 203,545.19-280,925.97-112,930.33

Finding the Fourth Proportional to 203,545.19, 280,925.97 and 112,930.33

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Solution

The fourth proportional to 203,545.19, 280,925.97 and 112,930.33 is: 155,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,545.19 : 280,925.97 = 112,930.33 : x
  2. Step 2: Convert to fraction form
    203,545.19/280,925.97 = 112,930.33/x
  3. Step 3: Cross multiply
    203,545.19x = 280,925.97 × 112,930.33
  4. Step 4: Simplify right side
    203,545.19x = 31,725,062,497.67
  5. Step 5: Solve for x
    x = 31,725,062,497.67/203,545.19
  6. Step 6: Final answer
    x = 155,862.50

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1.5x scale

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.