Home / 199,159.15-274,836.15-108,515.87

Finding the Fourth Proportional to 199,159.15, 274,836.15 and 108,515.87

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Solution

The fourth proportional to 199,159.15, 274,836.15 and 108,515.87 is: 149,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,159.15 : 274,836.15 = 108,515.87 : x
  2. Step 2: Convert to fraction form
    199,159.15/274,836.15 = 108,515.87/x
  3. Step 3: Cross multiply
    199,159.15x = 274,836.15 × 108,515.87
  4. Step 4: Simplify right side
    199,159.15x = 29,824,082,550.52
  5. Step 5: Solve for x
    x = 29,824,082,550.52/199,159.15
  6. Step 6: Final answer
    x = 149,750.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.