Home / 98,948.20-148,325.10-88,450.60

Finding the Fourth Proportional to 98,948.20, 148,325.10 and 88,450.60

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Solution

The fourth proportional to 98,948.20, 148,325.10 and 88,450.60 is: 132,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,948.20 : 148,325.10 = 88,450.60 : x
  2. Step 2: Convert to fraction form
    98,948.20/148,325.10 = 88,450.60/x
  3. Step 3: Cross multiply
    98,948.20x = 148,325.10 × 88,450.60
  4. Step 4: Simplify right side
    98,948.20x = 13,119,444,090.06
  5. Step 5: Solve for x
    x = 13,119,444,090.06/98,948.20
  6. Step 6: Final answer
    x = 132,589.01

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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.