Home / 135,762.16-203,378.34-88,872.88

Finding the Fourth Proportional to 135,762.16, 203,378.34 and 88,872.88

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Solution

The fourth proportional to 135,762.16, 203,378.34 and 88,872.88 is: 133,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,762.16 : 203,378.34 = 88,872.88 : x
  2. Step 2: Convert to fraction form
    135,762.16/203,378.34 = 88,872.88/x
  3. Step 3: Cross multiply
    135,762.16x = 203,378.34 × 88,872.88
  4. Step 4: Simplify right side
    135,762.16x = 18,074,817,788.53
  5. Step 5: Solve for x
    x = 18,074,817,788.53/135,762.16
  6. Step 6: Final answer
    x = 133,135.91

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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.