Home / 185,885.12-256,520.96-101,002.48

Finding the Fourth Proportional to 185,885.12, 256,520.96 and 101,002.48

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Solution

The fourth proportional to 185,885.12, 256,520.96 and 101,002.48 is: 139,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.12 : 256,520.96 = 101,002.48 : x
  2. Step 2: Convert to fraction form
    185,885.12/256,520.96 = 101,002.48/x
  3. Step 3: Cross multiply
    185,885.12x = 256,520.96 × 101,002.48
  4. Step 4: Simplify right side
    185,885.12x = 25,909,253,131.98
  5. Step 5: Solve for x
    x = 25,909,253,131.98/185,885.12
  6. Step 6: Final answer
    x = 139,383.15

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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.