Home / 185,919.17-256,571.21-101,036.30

Finding the Fourth Proportional to 185,919.17, 256,571.21 and 101,036.30

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Solution

The fourth proportional to 185,919.17, 256,571.21 and 101,036.30 is: 139,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.17 : 256,571.21 = 101,036.30 : x
  2. Step 2: Convert to fraction form
    185,919.17/256,571.21 = 101,036.30/x
  3. Step 3: Cross multiply
    185,919.17x = 256,571.21 × 101,036.30
  4. Step 4: Simplify right side
    185,919.17x = 25,923,004,714.66
  5. Step 5: Solve for x
    x = 25,923,004,714.66/185,919.17
  6. Step 6: Final answer
    x = 139,431.59

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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.