Home / 185,622.24-256,158.82-100,739.30

Finding the Fourth Proportional to 185,622.24, 256,158.82 and 100,739.30

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Solution

The fourth proportional to 185,622.24, 256,158.82 and 100,739.30 is: 139,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.24 : 256,158.82 = 100,739.30 : x
  2. Step 2: Convert to fraction form
    185,622.24/256,158.82 = 100,739.30/x
  3. Step 3: Cross multiply
    185,622.24x = 256,158.82 × 100,739.30
  4. Step 4: Simplify right side
    185,622.24x = 25,805,260,215.63
  5. Step 5: Solve for x
    x = 25,805,260,215.63/185,622.24
  6. Step 6: Final answer
    x = 139,020.30

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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.