Home / 124,301.20-186,339.84-45,360.04

Finding the Fourth Proportional to 124,301.20, 186,339.84 and 45,360.04

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Solution

The fourth proportional to 124,301.20, 186,339.84 and 45,360.04 is: 67,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,301.20 : 186,339.84 = 45,360.04 : x
  2. Step 2: Convert to fraction form
    124,301.20/186,339.84 = 45,360.04/x
  3. Step 3: Cross multiply
    124,301.20x = 186,339.84 × 45,360.04
  4. Step 4: Simplify right side
    124,301.20x = 8,452,382,595.99
  5. Step 5: Solve for x
    x = 8,452,382,595.99/124,301.20
  6. Step 6: Final answer
    x = 67,999.20

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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.