Home / 177,047.02-244,296.30-105,425.20

Finding the Fourth Proportional to 177,047.02, 244,296.30 and 105,425.20

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Solution

The fourth proportional to 177,047.02, 244,296.30 and 105,425.20 is: 145,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,047.02 : 244,296.30 = 105,425.20 : x
  2. Step 2: Convert to fraction form
    177,047.02/244,296.30 = 105,425.20/x
  3. Step 3: Cross multiply
    177,047.02x = 244,296.30 × 105,425.20
  4. Step 4: Simplify right side
    177,047.02x = 25,754,986,286.76
  5. Step 5: Solve for x
    x = 25,754,986,286.76/177,047.02
  6. Step 6: Final answer
    x = 145,469.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.