Home / 133,106.04-199,748.70-54,234.45

Finding the Fourth Proportional to 133,106.04, 199,748.70 and 54,234.45

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Solution

The fourth proportional to 133,106.04, 199,748.70 and 54,234.45 is: 81,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.04 : 199,748.70 = 54,234.45 : x
  2. Step 2: Convert to fraction form
    133,106.04/199,748.70 = 54,234.45/x
  3. Step 3: Cross multiply
    133,106.04x = 199,748.70 × 54,234.45
  4. Step 4: Simplify right side
    133,106.04x = 10,833,260,882.72
  5. Step 5: Solve for x
    x = 10,833,260,882.72/133,106.04
  6. Step 6: Final answer
    x = 81,388.20

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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.