Home / 100,766.76-151,138.62-26,900.52

Finding the Fourth Proportional to 100,766.76, 151,138.62 and 26,900.52

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Solution

The fourth proportional to 100,766.76, 151,138.62 and 26,900.52 is: 40,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,766.76 : 151,138.62 = 26,900.52 : x
  2. Step 2: Convert to fraction form
    100,766.76/151,138.62 = 26,900.52/x
  3. Step 3: Cross multiply
    100,766.76x = 151,138.62 × 26,900.52
  4. Step 4: Simplify right side
    100,766.76x = 4,065,707,470.08
  5. Step 5: Solve for x
    x = 4,065,707,470.08/100,766.76
  6. Step 6: Final answer
    x = 40,347.70

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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.