Home / 129,612.20-194,394.30-36,098.60

Finding the Fourth Proportional to 129,612.20, 194,394.30 and 36,098.60

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Solution

The fourth proportional to 129,612.20, 194,394.30 and 36,098.60 is: 54,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,612.20 : 194,394.30 = 36,098.60 : x
  2. Step 2: Convert to fraction form
    129,612.20/194,394.30 = 36,098.60/x
  3. Step 3: Cross multiply
    129,612.20x = 194,394.30 × 36,098.60
  4. Step 4: Simplify right side
    129,612.20x = 7,017,362,077.98
  5. Step 5: Solve for x
    x = 7,017,362,077.98/129,612.20
  6. Step 6: Final answer
    x = 54,141.22

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1.5x scale

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.