Home / 136,470.20-204,705.30-47,694.20

Finding the Fourth Proportional to 136,470.20, 204,705.30 and 47,694.20

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Solution

The fourth proportional to 136,470.20, 204,705.30 and 47,694.20 is: 71,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,470.20 : 204,705.30 = 47,694.20 : x
  2. Step 2: Convert to fraction form
    136,470.20/204,705.30 = 47,694.20/x
  3. Step 3: Cross multiply
    136,470.20x = 204,705.30 × 47,694.20
  4. Step 4: Simplify right side
    136,470.20x = 9,763,255,519.26
  5. Step 5: Solve for x
    x = 9,763,255,519.26/136,470.20
  6. Step 6: Final answer
    x = 71,541.30

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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.