Home / 147,414.72-203,430.62-83,751.14

Finding the Fourth Proportional to 147,414.72, 203,430.62 and 83,751.14

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Solution

The fourth proportional to 147,414.72, 203,430.62 and 83,751.14 is: 115,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.72 : 203,430.62 = 83,751.14 : x
  2. Step 2: Convert to fraction form
    147,414.72/203,430.62 = 83,751.14/x
  3. Step 3: Cross multiply
    147,414.72x = 203,430.62 × 83,751.14
  4. Step 4: Simplify right side
    147,414.72x = 17,037,546,335.91
  5. Step 5: Solve for x
    x = 17,037,546,335.91/147,414.72
  6. Step 6: Final answer
    x = 115,575.61

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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.