Home / 555,439.20-833,161.92-134,715.36

Finding the Fourth Proportional to 555,439.20, 833,161.92 and 134,715.36

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Solution

The fourth proportional to 555,439.20, 833,161.92 and 134,715.36 is: 202,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,439.20 : 833,161.92 = 134,715.36 : x
  2. Step 2: Convert to fraction form
    555,439.20/833,161.92 = 134,715.36/x
  3. Step 3: Cross multiply
    555,439.20x = 833,161.92 × 134,715.36
  4. Step 4: Simplify right side
    555,439.20x = 112,239,707,991.09
  5. Step 5: Solve for x
    x = 112,239,707,991.09/555,439.20
  6. Step 6: Final answer
    x = 202,073.80

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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.