Home / 185,709.46-256,279.05-100,826.53

Finding the Fourth Proportional to 185,709.46, 256,279.05 and 100,826.53

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Solution

The fourth proportional to 185,709.46, 256,279.05 and 100,826.53 is: 139,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,709.46 : 256,279.05 = 100,826.53 : x
  2. Step 2: Convert to fraction form
    185,709.46/256,279.05 = 100,826.53/x
  3. Step 3: Cross multiply
    185,709.46x = 256,279.05 × 100,826.53
  4. Step 4: Simplify right side
    185,709.46x = 25,839,727,323.20
  5. Step 5: Solve for x
    x = 25,839,727,323.20/185,709.46
  6. Step 6: Final answer
    x = 139,140.61

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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.