Home / 155,797.12-233,621.70-80,842.24

Finding the Fourth Proportional to 155,797.12, 233,621.70 and 80,842.24

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Solution

The fourth proportional to 155,797.12, 233,621.70 and 80,842.24 is: 121,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,797.12 : 233,621.70 = 80,842.24 : x
  2. Step 2: Convert to fraction form
    155,797.12/233,621.70 = 80,842.24/x
  3. Step 3: Cross multiply
    155,797.12x = 233,621.70 × 80,842.24
  4. Step 4: Simplify right side
    155,797.12x = 18,886,501,540.61
  5. Step 5: Solve for x
    x = 18,886,501,540.61/155,797.12
  6. Step 6: Final answer
    x = 121,224.97

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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.