Home / 124,444.20-186,739.20-45,566.40

Finding the Fourth Proportional to 124,444.20, 186,739.20 and 45,566.40

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Solution

The fourth proportional to 124,444.20, 186,739.20 and 45,566.40 is: 68,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,444.20 : 186,739.20 = 45,566.40 : x
  2. Step 2: Convert to fraction form
    124,444.20/186,739.20 = 45,566.40/x
  3. Step 3: Cross multiply
    124,444.20x = 186,739.20 × 45,566.40
  4. Step 4: Simplify right side
    124,444.20x = 8,509,033,082.88
  5. Step 5: Solve for x
    x = 8,509,033,082.88/124,444.20
  6. Step 6: Final answer
    x = 68,376.29

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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.