Home / 185,034.48-255,348.36-100,151.55

Finding the Fourth Proportional to 185,034.48, 255,348.36 and 100,151.55

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Solution

The fourth proportional to 185,034.48, 255,348.36 and 100,151.55 is: 138,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,034.48 : 255,348.36 = 100,151.55 : x
  2. Step 2: Convert to fraction form
    185,034.48/255,348.36 = 100,151.55/x
  3. Step 3: Cross multiply
    185,034.48x = 255,348.36 × 100,151.55
  4. Step 4: Simplify right side
    185,034.48x = 25,573,532,710.83
  5. Step 5: Solve for x
    x = 25,573,532,710.83/185,034.48
  6. Step 6: Final answer
    x = 138,209.55

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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.