Home / 259,569.06-389,366.36-126,563.01

Finding the Fourth Proportional to 259,569.06, 389,366.36 and 126,563.01

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Solution

The fourth proportional to 259,569.06, 389,366.36 and 126,563.01 is: 189,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,569.06 : 389,366.36 = 126,563.01 : x
  2. Step 2: Convert to fraction form
    259,569.06/389,366.36 = 126,563.01/x
  3. Step 3: Cross multiply
    259,569.06x = 389,366.36 × 126,563.01
  4. Step 4: Simplify right side
    259,569.06x = 49,279,377,881.53
  5. Step 5: Solve for x
    x = 49,279,377,881.53/259,569.06
  6. Step 6: Final answer
    x = 189,850.74

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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.