Home / 113,271.20-156,318.26-62,287.80

Finding the Fourth Proportional to 113,271.20, 156,318.26 and 62,287.80

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Solution

The fourth proportional to 113,271.20, 156,318.26 and 62,287.80 is: 85,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.20 : 156,318.26 = 62,287.80 : x
  2. Step 2: Convert to fraction form
    113,271.20/156,318.26 = 62,287.80/x
  3. Step 3: Cross multiply
    113,271.20x = 156,318.26 × 62,287.80
  4. Step 4: Simplify right side
    113,271.20x = 9,736,720,515.23
  5. Step 5: Solve for x
    x = 9,736,720,515.23/113,271.20
  6. Step 6: Final answer
    x = 85,959.37

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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.