Home / 185,444.11-255,912.87-100,561.24

Finding the Fourth Proportional to 185,444.11, 255,912.87 and 100,561.24

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Solution

The fourth proportional to 185,444.11, 255,912.87 and 100,561.24 is: 138,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,444.11 : 255,912.87 = 100,561.24 : x
  2. Step 2: Convert to fraction form
    185,444.11/255,912.87 = 100,561.24/x
  3. Step 3: Cross multiply
    185,444.11x = 255,912.87 × 100,561.24
  4. Step 4: Simplify right side
    185,444.11x = 25,734,914,899.38
  5. Step 5: Solve for x
    x = 25,734,914,899.38/185,444.11
  6. Step 6: Final answer
    x = 138,774.51

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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.