Home / 185,642.56-256,186.97-100,759.65

Finding the Fourth Proportional to 185,642.56, 256,186.97 and 100,759.65

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Solution

The fourth proportional to 185,642.56, 256,186.97 and 100,759.65 is: 139,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,642.56 : 256,186.97 = 100,759.65 : x
  2. Step 2: Convert to fraction form
    185,642.56/256,186.97 = 100,759.65/x
  3. Step 3: Cross multiply
    185,642.56x = 256,186.97 × 100,759.65
  4. Step 4: Simplify right side
    185,642.56x = 25,813,309,431.76
  5. Step 5: Solve for x
    x = 25,813,309,431.76/185,642.56
  6. Step 6: Final answer
    x = 139,048.45

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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.