Home / 136,990.44-205,502.27-48,225.78

Finding the Fourth Proportional to 136,990.44, 205,502.27 and 48,225.78

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Solution

The fourth proportional to 136,990.44, 205,502.27 and 48,225.78 is: 72,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,990.44 : 205,502.27 = 48,225.78 : x
  2. Step 2: Convert to fraction form
    136,990.44/205,502.27 = 48,225.78/x
  3. Step 3: Cross multiply
    136,990.44x = 205,502.27 × 48,225.78
  4. Step 4: Simplify right side
    136,990.44x = 9,910,507,021.39
  5. Step 5: Solve for x
    x = 9,910,507,021.39/136,990.44
  6. Step 6: Final answer
    x = 72,344.52

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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.