Home / 148,268.73-204,699.15-91,756.65

Finding the Fourth Proportional to 148,268.73, 204,699.15 and 91,756.65

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Solution

The fourth proportional to 148,268.73, 204,699.15 and 91,756.65 is: 126,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,268.73 : 204,699.15 = 91,756.65 : x
  2. Step 2: Convert to fraction form
    148,268.73/204,699.15 = 91,756.65/x
  3. Step 3: Cross multiply
    148,268.73x = 204,699.15 × 91,756.65
  4. Step 4: Simplify right side
    148,268.73x = 18,782,508,261.85
  5. Step 5: Solve for x
    x = 18,782,508,261.85/148,268.73
  6. Step 6: Final answer
    x = 126,678.82

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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.