Home / 185,149.96-255,506.56-100,266.76

Finding the Fourth Proportional to 185,149.96, 255,506.56 and 100,266.76

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Solution

The fourth proportional to 185,149.96, 255,506.56 and 100,266.76 is: 138,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,149.96 : 255,506.56 = 100,266.76 : x
  2. Step 2: Convert to fraction form
    185,149.96/255,506.56 = 100,266.76/x
  3. Step 3: Cross multiply
    185,149.96x = 255,506.56 × 100,266.76
  4. Step 4: Simplify right side
    185,149.96x = 25,618,814,929.95
  5. Step 5: Solve for x
    x = 25,618,814,929.95/185,149.96
  6. Step 6: Final answer
    x = 138,367.92

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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.