Home / 134,780.24-202,209.24-55,879.76

Finding the Fourth Proportional to 134,780.24, 202,209.24 and 55,879.76

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Solution

The fourth proportional to 134,780.24, 202,209.24 and 55,879.76 is: 83,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.24 : 202,209.24 = 55,879.76 : x
  2. Step 2: Convert to fraction form
    134,780.24/202,209.24 = 55,879.76/x
  3. Step 3: Cross multiply
    134,780.24x = 202,209.24 × 55,879.76
  4. Step 4: Simplify right side
    134,780.24x = 11,299,403,800.98
  5. Step 5: Solve for x
    x = 11,299,403,800.98/134,780.24
  6. Step 6: Final answer
    x = 83,835.76

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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.