Home / 124,132.68-186,086.12-45,228.96

Finding the Fourth Proportional to 124,132.68, 186,086.12 and 45,228.96

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Solution

The fourth proportional to 124,132.68, 186,086.12 and 45,228.96 is: 67,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,132.68 : 186,086.12 = 45,228.96 : x
  2. Step 2: Convert to fraction form
    124,132.68/186,086.12 = 45,228.96/x
  3. Step 3: Cross multiply
    124,132.68x = 186,086.12 × 45,228.96
  4. Step 4: Simplify right side
    124,132.68x = 8,416,481,451.89
  5. Step 5: Solve for x
    x = 8,416,481,451.89/124,132.68
  6. Step 6: Final answer
    x = 67,802.30

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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.