Home / 135,711.90-203,485.77-60,818.22

Finding the Fourth Proportional to 135,711.90, 203,485.77 and 60,818.22

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Solution

The fourth proportional to 135,711.90, 203,485.77 and 60,818.22 is: 91,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,711.90 : 203,485.77 = 60,818.22 : x
  2. Step 2: Convert to fraction form
    135,711.90/203,485.77 = 60,818.22/x
  3. Step 3: Cross multiply
    135,711.90x = 203,485.77 × 60,818.22
  4. Step 4: Simplify right side
    135,711.90x = 12,375,642,326.73
  5. Step 5: Solve for x
    x = 12,375,642,326.73/135,711.90
  6. Step 6: Final answer
    x = 91,190.55

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1.5x scale

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.