Home / 203,713.12-281,141.04-113,077.60

Finding the Fourth Proportional to 203,713.12, 281,141.04 and 113,077.60

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Solution

The fourth proportional to 203,713.12, 281,141.04 and 113,077.60 is: 156,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,713.12 : 281,141.04 = 113,077.60 : x
  2. Step 2: Convert to fraction form
    203,713.12/281,141.04 = 113,077.60/x
  3. Step 3: Cross multiply
    203,713.12x = 281,141.04 × 113,077.60
  4. Step 4: Simplify right side
    203,713.12x = 31,790,754,064.70
  5. Step 5: Solve for x
    x = 31,790,754,064.70/203,713.12
  6. Step 6: Final answer
    x = 156,056.49

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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.