Home / 207,250.20-310,900.74-74,144.52

Finding the Fourth Proportional to 207,250.20, 310,900.74 and 74,144.52

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Solution

The fourth proportional to 207,250.20, 310,900.74 and 74,144.52 is: 111,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,250.20 : 310,900.74 = 74,144.52 : x
  2. Step 2: Convert to fraction form
    207,250.20/310,900.74 = 74,144.52/x
  3. Step 3: Cross multiply
    207,250.20x = 310,900.74 × 74,144.52
  4. Step 4: Simplify right side
    207,250.20x = 23,051,586,134.94
  5. Step 5: Solve for x
    x = 23,051,586,134.94/207,250.20
  6. Step 6: Final answer
    x = 111,225.88

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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.