Home / 185,444.17-255,912.96-100,561.30

Finding the Fourth Proportional to 185,444.17, 255,912.96 and 100,561.30

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Solution

The fourth proportional to 185,444.17, 255,912.96 and 100,561.30 is: 138,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,444.17 : 255,912.96 = 100,561.30 : x
  2. Step 2: Convert to fraction form
    185,444.17/255,912.96 = 100,561.30/x
  3. Step 3: Cross multiply
    185,444.17x = 255,912.96 × 100,561.30
  4. Step 4: Simplify right side
    185,444.17x = 25,734,940,332.83
  5. Step 5: Solve for x
    x = 25,734,940,332.83/185,444.17
  6. Step 6: Final answer
    x = 138,774.60

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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.