Home / 135,627.91-203,507.45-83,008.69

Finding the Fourth Proportional to 135,627.91, 203,507.45 and 83,008.69

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Solution

The fourth proportional to 135,627.91, 203,507.45 and 83,008.69 is: 124,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,627.91 : 203,507.45 = 83,008.69 : x
  2. Step 2: Convert to fraction form
    135,627.91/203,507.45 = 83,008.69/x
  3. Step 3: Cross multiply
    135,627.91x = 203,507.45 × 83,008.69
  4. Step 4: Simplify right side
    135,627.91x = 16,892,886,829.74
  5. Step 5: Solve for x
    x = 16,892,886,829.74/135,627.91
  6. Step 6: Final answer
    x = 124,553.18

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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.