Home / 310,422.24-465,244.02-132,720.66

Finding the Fourth Proportional to 310,422.24, 465,244.02 and 132,720.66

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Solution

The fourth proportional to 310,422.24, 465,244.02 and 132,720.66 is: 198,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,422.24 : 465,244.02 = 132,720.66 : x
  2. Step 2: Convert to fraction form
    310,422.24/465,244.02 = 132,720.66/x
  3. Step 3: Cross multiply
    310,422.24x = 465,244.02 × 132,720.66
  4. Step 4: Simplify right side
    310,422.24x = 61,747,493,395.45
  5. Step 5: Solve for x
    x = 61,747,493,395.45/310,422.24
  6. Step 6: Final answer
    x = 198,914.53

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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.