Home / 133,096.30-199,644.45-54,267.10

Finding the Fourth Proportional to 133,096.30, 199,644.45 and 54,267.10

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Solution

The fourth proportional to 133,096.30, 199,644.45 and 54,267.10 is: 81,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,096.30 : 199,644.45 = 54,267.10 : x
  2. Step 2: Convert to fraction form
    133,096.30/199,644.45 = 54,267.10/x
  3. Step 3: Cross multiply
    133,096.30x = 199,644.45 × 54,267.10
  4. Step 4: Simplify right side
    133,096.30x = 10,834,125,332.60
  5. Step 5: Solve for x
    x = 10,834,125,332.60/133,096.30
  6. Step 6: Final answer
    x = 81,400.65

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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.