Home / 185,218.62-255,602.48-100,335.68

Finding the Fourth Proportional to 185,218.62, 255,602.48 and 100,335.68

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Solution

The fourth proportional to 185,218.62, 255,602.48 and 100,335.68 is: 138,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,218.62 : 255,602.48 = 100,335.68 : x
  2. Step 2: Convert to fraction form
    185,218.62/255,602.48 = 100,335.68/x
  3. Step 3: Cross multiply
    185,218.62x = 255,602.48 × 100,335.68
  4. Step 4: Simplify right side
    185,218.62x = 25,646,046,860.80
  5. Step 5: Solve for x
    x = 25,646,046,860.80/185,218.62
  6. Step 6: Final answer
    x = 138,463.65

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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.