Home / 668,017.80-1,002,065.10-194,776.20

Finding the Fourth Proportional to 668,017.80, 1,002,065.10 and 194,776.20

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Solution

The fourth proportional to 668,017.80, 1,002,065.10 and 194,776.20 is: 292,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,017.80 : 1,002,065.10 = 194,776.20 : x
  2. Step 2: Convert to fraction form
    668,017.80/1,002,065.10 = 194,776.20/x
  3. Step 3: Cross multiply
    668,017.80x = 1,002,065.10 × 194,776.20
  4. Step 4: Simplify right side
    668,017.80x = 195,178,432,330.62
  5. Step 5: Solve for x
    x = 195,178,432,330.62/668,017.80
  6. Step 6: Final answer
    x = 292,175.50

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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.