Home / 185,001.30-255,301.80-100,118.37

Finding the Fourth Proportional to 185,001.30, 255,301.80 and 100,118.37

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Solution

The fourth proportional to 185,001.30, 255,301.80 and 100,118.37 is: 138,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,001.30 : 255,301.80 = 100,118.37 : x
  2. Step 2: Convert to fraction form
    185,001.30/255,301.80 = 100,118.37/x
  3. Step 3: Cross multiply
    185,001.30x = 255,301.80 × 100,118.37
  4. Step 4: Simplify right side
    185,001.30x = 25,560,400,074.07
  5. Step 5: Solve for x
    x = 25,560,400,074.07/185,001.30
  6. Step 6: Final answer
    x = 138,163.35

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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.