Home / 668,180.16-1,002,417.68-194,902.56

Finding the Fourth Proportional to 668,180.16, 1,002,417.68 and 194,902.56

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Solution

The fourth proportional to 668,180.16, 1,002,417.68 and 194,902.56 is: 292,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,180.16 : 1,002,417.68 = 194,902.56 : x
  2. Step 2: Convert to fraction form
    668,180.16/1,002,417.68 = 194,902.56/x
  3. Step 3: Cross multiply
    668,180.16x = 1,002,417.68 × 194,902.56
  4. Step 4: Simplify right side
    668,180.16x = 195,373,772,021.26
  5. Step 5: Solve for x
    x = 195,373,772,021.26/668,180.16
  6. Step 6: Final answer
    x = 292,396.85

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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.