Home / 185,292.77-255,704.35-100,409.83

Finding the Fourth Proportional to 185,292.77, 255,704.35 and 100,409.83

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Solution

The fourth proportional to 185,292.77, 255,704.35 and 100,409.83 is: 138,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,292.77 : 255,704.35 = 100,409.83 : x
  2. Step 2: Convert to fraction form
    185,292.77/255,704.35 = 100,409.83/x
  3. Step 3: Cross multiply
    185,292.77x = 255,704.35 × 100,409.83
  4. Step 4: Simplify right side
    185,292.77x = 25,675,230,564.79
  5. Step 5: Solve for x
    x = 25,675,230,564.79/185,292.77
  6. Step 6: Final answer
    x = 138,565.75

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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.