Home / 185,277.15-255,648.78-103,606.92

Finding the Fourth Proportional to 185,277.15, 255,648.78 and 103,606.92

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Solution

The fourth proportional to 185,277.15, 255,648.78 and 103,606.92 is: 142,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,277.15 : 255,648.78 = 103,606.92 : x
  2. Step 2: Convert to fraction form
    185,277.15/255,648.78 = 103,606.92/x
  3. Step 3: Cross multiply
    185,277.15x = 255,648.78 × 103,606.92
  4. Step 4: Simplify right side
    185,277.15x = 26,486,982,697.56
  5. Step 5: Solve for x
    x = 26,486,982,697.56/185,277.15
  6. Step 6: Final answer
    x = 142,958.71

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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.