Home / 107,412.30-161,118.45-73,586.70

Finding the Fourth Proportional to 107,412.30, 161,118.45 and 73,586.70

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Solution

The fourth proportional to 107,412.30, 161,118.45 and 73,586.70 is: 110,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.30 : 161,118.45 = 73,586.70 : x
  2. Step 2: Convert to fraction form
    107,412.30/161,118.45 = 73,586.70/x
  3. Step 3: Cross multiply
    107,412.30x = 161,118.45 × 73,586.70
  4. Step 4: Simplify right side
    107,412.30x = 11,856,175,044.62
  5. Step 5: Solve for x
    x = 11,856,175,044.62/107,412.30
  6. Step 6: Final answer
    x = 110,380.05

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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.