Home / 98,243.20-147,537.60-95,132.80

Finding the Fourth Proportional to 98,243.20, 147,537.60 and 95,132.80

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Solution

The fourth proportional to 98,243.20, 147,537.60 and 95,132.80 is: 142,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,243.20 : 147,537.60 = 95,132.80 : x
  2. Step 2: Convert to fraction form
    98,243.20/147,537.60 = 95,132.80/x
  3. Step 3: Cross multiply
    98,243.20x = 147,537.60 × 95,132.80
  4. Step 4: Simplify right side
    98,243.20x = 14,035,664,993.28
  5. Step 5: Solve for x
    x = 14,035,664,993.28/98,243.20
  6. Step 6: Final answer
    x = 142,866.53

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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.