Home / 124,440.20-186,733.20-45,562.40

Finding the Fourth Proportional to 124,440.20, 186,733.20 and 45,562.40

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Solution

The fourth proportional to 124,440.20, 186,733.20 and 45,562.40 is: 68,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.20 : 186,733.20 = 45,562.40 : x
  2. Step 2: Convert to fraction form
    124,440.20/186,733.20 = 45,562.40/x
  3. Step 3: Cross multiply
    124,440.20x = 186,733.20 × 45,562.40
  4. Step 4: Simplify right side
    124,440.20x = 8,508,012,751.68
  5. Step 5: Solve for x
    x = 8,508,012,751.68/124,440.20
  6. Step 6: Final answer
    x = 68,370.29

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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.