Home / 98,140.22-147,237.45-34,974.80

Finding the Fourth Proportional to 98,140.22, 147,237.45 and 34,974.80

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Solution

The fourth proportional to 98,140.22, 147,237.45 and 34,974.80 is: 52,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,140.22 : 147,237.45 = 34,974.80 : x
  2. Step 2: Convert to fraction form
    98,140.22/147,237.45 = 34,974.80/x
  3. Step 3: Cross multiply
    98,140.22x = 147,237.45 × 34,974.80
  4. Step 4: Simplify right side
    98,140.22x = 5,149,600,366.26
  5. Step 5: Solve for x
    x = 5,149,600,366.26/98,140.22
  6. Step 6: Final answer
    x = 52,471.86

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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.