Home / 203,073.08-280,204.20-117,016.52

Finding the Fourth Proportional to 203,073.08, 280,204.20 and 117,016.52

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Solution

The fourth proportional to 203,073.08, 280,204.20 and 117,016.52 is: 161,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,073.08 : 280,204.20 = 117,016.52 : x
  2. Step 2: Convert to fraction form
    203,073.08/280,204.20 = 117,016.52/x
  3. Step 3: Cross multiply
    203,073.08x = 280,204.20 × 117,016.52
  4. Step 4: Simplify right side
    203,073.08x = 32,788,520,373.38
  5. Step 5: Solve for x
    x = 32,788,520,373.38/203,073.08
  6. Step 6: Final answer
    x = 161,461.68

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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.