Home / 240,079.19-360,135.18-71,586.56

Finding the Fourth Proportional to 240,079.19, 360,135.18 and 71,586.56

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Solution

The fourth proportional to 240,079.19, 360,135.18 and 71,586.56 is: 107,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,079.19 : 360,135.18 = 71,586.56 : x
  2. Step 2: Convert to fraction form
    240,079.19/360,135.18 = 71,586.56/x
  3. Step 3: Cross multiply
    240,079.19x = 360,135.18 × 71,586.56
  4. Step 4: Simplify right side
    240,079.19x = 25,780,836,870.50
  5. Step 5: Solve for x
    x = 25,780,836,870.50/240,079.19
  6. Step 6: Final answer
    x = 107,384.72

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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.