Home / 185,125.44-255,474.92-100,244.32

Finding the Fourth Proportional to 185,125.44, 255,474.92 and 100,244.32

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Solution

The fourth proportional to 185,125.44, 255,474.92 and 100,244.32 is: 138,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,125.44 : 255,474.92 = 100,244.32 : x
  2. Step 2: Convert to fraction form
    185,125.44/255,474.92 = 100,244.32/x
  3. Step 3: Cross multiply
    185,125.44x = 255,474.92 × 100,244.32
  4. Step 4: Simplify right side
    185,125.44x = 25,609,909,632.45
  5. Step 5: Solve for x
    x = 25,609,909,632.45/185,125.44
  6. Step 6: Final answer
    x = 138,338.14

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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.