Home / 668,077.10-1,002,115.65-194,810.30

Finding the Fourth Proportional to 668,077.10, 1,002,115.65 and 194,810.30

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Solution

The fourth proportional to 668,077.10, 1,002,115.65 and 194,810.30 is: 292,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,077.10 : 1,002,115.65 = 194,810.30 : x
  2. Step 2: Convert to fraction form
    668,077.10/1,002,115.65 = 194,810.30/x
  3. Step 3: Cross multiply
    668,077.10x = 1,002,115.65 × 194,810.30
  4. Step 4: Simplify right side
    668,077.10x = 195,222,450,411.20
  5. Step 5: Solve for x
    x = 195,222,450,411.20/668,077.10
  6. Step 6: Final answer
    x = 292,215.45

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Similar ratio
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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.