Home / 147,930.08-204,177.48-90,601

Finding the Fourth Proportional to 147,930.08, 204,177.48 and 90,601

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Solution

The fourth proportional to 147,930.08, 204,177.48 and 90,601 is: 125,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.08 : 204,177.48 = 90,601 : x
  2. Step 2: Convert to fraction form
    147,930.08/204,177.48 = 90,601/x
  3. Step 3: Cross multiply
    147,930.08x = 204,177.48 × 90,601
  4. Step 4: Simplify right side
    147,930.08x = 18,498,683,865.48
  5. Step 5: Solve for x
    x = 18,498,683,865.48/147,930.08
  6. Step 6: Final answer
    x = 125,050.18

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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.