Home / 185,912.12-256,557.30-101,028.98

Finding the Fourth Proportional to 185,912.12, 256,557.30 and 101,028.98

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Solution

The fourth proportional to 185,912.12, 256,557.30 and 101,028.98 is: 139,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912.12 : 256,557.30 = 101,028.98 : x
  2. Step 2: Convert to fraction form
    185,912.12/256,557.30 = 101,028.98/x
  3. Step 3: Cross multiply
    185,912.12x = 256,557.30 × 101,028.98
  4. Step 4: Simplify right side
    185,912.12x = 25,919,722,330.55
  5. Step 5: Solve for x
    x = 25,919,722,330.55/185,912.12
  6. Step 6: Final answer
    x = 139,419.22

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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.