Home / 185,217.95-255,601.56-100,335.02

Finding the Fourth Proportional to 185,217.95, 255,601.56 and 100,335.02

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Solution

The fourth proportional to 185,217.95, 255,601.56 and 100,335.02 is: 138,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,217.95 : 255,601.56 = 100,335.02 : x
  2. Step 2: Convert to fraction form
    185,217.95/255,601.56 = 100,335.02/x
  3. Step 3: Cross multiply
    185,217.95x = 255,601.56 × 100,335.02
  4. Step 4: Simplify right side
    185,217.95x = 25,645,786,732.88
  5. Step 5: Solve for x
    x = 25,645,786,732.88/185,217.95
  6. Step 6: Final answer
    x = 138,462.75

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1.5x scale

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.