Home / 146,158.20-219,237.30-126,475.20

Finding the Fourth Proportional to 146,158.20, 219,237.30 and 126,475.20

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Solution

The fourth proportional to 146,158.20, 219,237.30 and 126,475.20 is: 189,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,158.20 : 219,237.30 = 126,475.20 : x
  2. Step 2: Convert to fraction form
    146,158.20/219,237.30 = 126,475.20/x
  3. Step 3: Cross multiply
    146,158.20x = 219,237.30 × 126,475.20
  4. Step 4: Simplify right side
    146,158.20x = 27,728,081,364.96
  5. Step 5: Solve for x
    x = 27,728,081,364.96/146,158.20
  6. Step 6: Final answer
    x = 189,712.80

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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.