Home / 185,001.32-255,302.55-100,118.36

Finding the Fourth Proportional to 185,001.32, 255,302.55 and 100,118.36

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Solution

The fourth proportional to 185,001.32, 255,302.55 and 100,118.36 is: 138,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,001.32 : 255,302.55 = 100,118.36 : x
  2. Step 2: Convert to fraction form
    185,001.32/255,302.55 = 100,118.36/x
  3. Step 3: Cross multiply
    185,001.32x = 255,302.55 × 100,118.36
  4. Step 4: Simplify right side
    185,001.32x = 25,560,472,609.82
  5. Step 5: Solve for x
    x = 25,560,472,609.82/185,001.32
  6. Step 6: Final answer
    x = 138,163.73

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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.