Home / 155,456.20-233,184.30-66,694.60

Finding the Fourth Proportional to 155,456.20, 233,184.30 and 66,694.60

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Solution

The fourth proportional to 155,456.20, 233,184.30 and 66,694.60 is: 100,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,456.20 : 233,184.30 = 66,694.60 : x
  2. Step 2: Convert to fraction form
    155,456.20/233,184.30 = 66,694.60/x
  3. Step 3: Cross multiply
    155,456.20x = 233,184.30 × 66,694.60
  4. Step 4: Simplify right side
    155,456.20x = 15,552,133,614.78
  5. Step 5: Solve for x
    x = 15,552,133,614.78/155,456.20
  6. Step 6: Final answer
    x = 100,041.90

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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.