Home / 133,360.20-199,748.70-103,544.10

Finding the Fourth Proportional to 133,360.20, 199,748.70 and 103,544.10

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Solution

The fourth proportional to 133,360.20, 199,748.70 and 103,544.10 is: 155,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,360.20 : 199,748.70 = 103,544.10 : x
  2. Step 2: Convert to fraction form
    133,360.20/199,748.70 = 103,544.10/x
  3. Step 3: Cross multiply
    133,360.20x = 199,748.70 × 103,544.10
  4. Step 4: Simplify right side
    133,360.20x = 20,682,799,367.67
  5. Step 5: Solve for x
    x = 20,682,799,367.67/133,360.20
  6. Step 6: Final answer
    x = 155,089.74

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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.