Home / 135,255.50-202,939.12-59,314.74

Finding the Fourth Proportional to 135,255.50, 202,939.12 and 59,314.74

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Solution

The fourth proportional to 135,255.50, 202,939.12 and 59,314.74 is: 88,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,255.50 : 202,939.12 = 59,314.74 : x
  2. Step 2: Convert to fraction form
    135,255.50/202,939.12 = 59,314.74/x
  3. Step 3: Cross multiply
    135,255.50x = 202,939.12 × 59,314.74
  4. Step 4: Simplify right side
    135,255.50x = 12,037,281,138.63
  5. Step 5: Solve for x
    x = 12,037,281,138.63/135,255.50
  6. Step 6: Final answer
    x = 88,996.61

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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.