Home / 227,921.10-342,189.45-133,248.30

Finding the Fourth Proportional to 227,921.10, 342,189.45 and 133,248.30

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Solution

The fourth proportional to 227,921.10, 342,189.45 and 133,248.30 is: 200,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,921.10 : 342,189.45 = 133,248.30 : x
  2. Step 2: Convert to fraction form
    227,921.10/342,189.45 = 133,248.30/x
  3. Step 3: Cross multiply
    227,921.10x = 342,189.45 × 133,248.30
  4. Step 4: Simplify right side
    227,921.10x = 45,596,162,490.44
  5. Step 5: Solve for x
    x = 45,596,162,490.44/227,921.10
  6. Step 6: Final answer
    x = 200,052.40

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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.