Home / 225,541.44-338,488.20-99,269.28

Finding the Fourth Proportional to 225,541.44, 338,488.20 and 99,269.28

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Solution

The fourth proportional to 225,541.44, 338,488.20 and 99,269.28 is: 148,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,541.44 : 338,488.20 = 99,269.28 : x
  2. Step 2: Convert to fraction form
    225,541.44/338,488.20 = 99,269.28/x
  3. Step 3: Cross multiply
    225,541.44x = 338,488.20 × 99,269.28
  4. Step 4: Simplify right side
    225,541.44x = 33,601,479,902.50
  5. Step 5: Solve for x
    x = 33,601,479,902.50/225,541.44
  6. Step 6: Final answer
    x = 148,981.40

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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.