Home / 203,838.48-281,287.62-113,200.20

Finding the Fourth Proportional to 203,838.48, 281,287.62 and 113,200.20

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Solution

The fourth proportional to 203,838.48, 281,287.62 and 113,200.20 is: 156,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,838.48 : 281,287.62 = 113,200.20 : x
  2. Step 2: Convert to fraction form
    203,838.48/281,287.62 = 113,200.20/x
  3. Step 3: Cross multiply
    203,838.48x = 281,287.62 × 113,200.20
  4. Step 4: Simplify right side
    203,838.48x = 31,841,814,841.52
  5. Step 5: Solve for x
    x = 31,841,814,841.52/203,838.48
  6. Step 6: Final answer
    x = 156,211.01

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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.