Home / 668,039.76-1,002,225.36-194,729.04

Finding the Fourth Proportional to 668,039.76, 1,002,225.36 and 194,729.04

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Solution

The fourth proportional to 668,039.76, 1,002,225.36 and 194,729.04 is: 292,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,039.76 : 1,002,225.36 = 194,729.04 : x
  2. Step 2: Convert to fraction form
    668,039.76/1,002,225.36 = 194,729.04/x
  3. Step 3: Cross multiply
    668,039.76x = 1,002,225.36 × 194,729.04
  4. Step 4: Simplify right side
    668,039.76x = 195,162,382,216.45
  5. Step 5: Solve for x
    x = 195,162,382,216.45/668,039.76
  6. Step 6: Final answer
    x = 292,141.87

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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.