Home / 207,247.20-310,896.24-74,141.52

Finding the Fourth Proportional to 207,247.20, 310,896.24 and 74,141.52

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Solution

The fourth proportional to 207,247.20, 310,896.24 and 74,141.52 is: 111,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247.20 : 310,896.24 = 74,141.52 : x
  2. Step 2: Convert to fraction form
    207,247.20/310,896.24 = 74,141.52/x
  3. Step 3: Cross multiply
    207,247.20x = 310,896.24 × 74,141.52
  4. Step 4: Simplify right side
    207,247.20x = 23,050,319,795.88
  5. Step 5: Solve for x
    x = 23,050,319,795.88/207,247.20
  6. Step 6: Final answer
    x = 111,221.38

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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.