Home / 140,513.13-193,904.01-76,849.56

Finding the Fourth Proportional to 140,513.13, 193,904.01 and 76,849.56

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Solution

The fourth proportional to 140,513.13, 193,904.01 and 76,849.56 is: 106,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513.13 : 193,904.01 = 76,849.56 : x
  2. Step 2: Convert to fraction form
    140,513.13/193,904.01 = 76,849.56/x
  3. Step 3: Cross multiply
    140,513.13x = 193,904.01 × 76,849.56
  4. Step 4: Simplify right side
    140,513.13x = 14,901,437,850.74
  5. Step 5: Solve for x
    x = 14,901,437,850.74/140,513.13
  6. Step 6: Final answer
    x = 106,050.15

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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.