Home / 117,292.74-175,938.57-28,545.90

Finding the Fourth Proportional to 117,292.74, 175,938.57 and 28,545.90

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Solution

The fourth proportional to 117,292.74, 175,938.57 and 28,545.90 is: 42,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,292.74 : 175,938.57 = 28,545.90 : x
  2. Step 2: Convert to fraction form
    117,292.74/175,938.57 = 28,545.90/x
  3. Step 3: Cross multiply
    117,292.74x = 175,938.57 × 28,545.90
  4. Step 4: Simplify right side
    117,292.74x = 5,022,324,825.36
  5. Step 5: Solve for x
    x = 5,022,324,825.36/117,292.74
  6. Step 6: Final answer
    x = 42,818.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.