Home / 155,694.24-233,178.48-120,520.80

Finding the Fourth Proportional to 155,694.24, 233,178.48 and 120,520.80

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Solution

The fourth proportional to 155,694.24, 233,178.48 and 120,520.80 is: 180,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,694.24 : 233,178.48 = 120,520.80 : x
  2. Step 2: Convert to fraction form
    155,694.24/233,178.48 = 120,520.80/x
  3. Step 3: Cross multiply
    155,694.24x = 233,178.48 × 120,520.80
  4. Step 4: Simplify right side
    155,694.24x = 28,102,856,952.38
  5. Step 5: Solve for x
    x = 28,102,856,952.38/155,694.24
  6. Step 6: Final answer
    x = 180,500.30

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1.5x scale

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.