Home / 147,953.52-204,165.36-84,279.60

Finding the Fourth Proportional to 147,953.52, 204,165.36 and 84,279.60

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Solution

The fourth proportional to 147,953.52, 204,165.36 and 84,279.60 is: 116,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953.52 : 204,165.36 = 84,279.60 : x
  2. Step 2: Convert to fraction form
    147,953.52/204,165.36 = 84,279.60/x
  3. Step 3: Cross multiply
    147,953.52x = 204,165.36 × 84,279.60
  4. Step 4: Simplify right side
    147,953.52x = 17,206,974,874.66
  5. Step 5: Solve for x
    x = 17,206,974,874.66/147,953.52
  6. Step 6: Final answer
    x = 116,299.87

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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.