Home / 124,385.04-186,577.48-45,456.20

Finding the Fourth Proportional to 124,385.04, 186,577.48 and 45,456.20

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Solution

The fourth proportional to 124,385.04, 186,577.48 and 45,456.20 is: 68,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,385.04 : 186,577.48 = 45,456.20 : x
  2. Step 2: Convert to fraction form
    124,385.04/186,577.48 = 45,456.20/x
  3. Step 3: Cross multiply
    124,385.04x = 186,577.48 × 45,456.20
  4. Step 4: Simplify right side
    124,385.04x = 8,481,103,246.38
  5. Step 5: Solve for x
    x = 8,481,103,246.38/124,385.04
  6. Step 6: Final answer
    x = 68,184.27

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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.