Home / 203,711.36-281,119.55-113,068.11

Finding the Fourth Proportional to 203,711.36, 281,119.55 and 113,068.11

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Solution

The fourth proportional to 203,711.36, 281,119.55 and 113,068.11 is: 156,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,711.36 : 281,119.55 = 113,068.11 : x
  2. Step 2: Convert to fraction form
    203,711.36/281,119.55 = 113,068.11/x
  3. Step 3: Cross multiply
    203,711.36x = 281,119.55 × 113,068.11
  4. Step 4: Simplify right side
    203,711.36x = 31,785,656,202.55
  5. Step 5: Solve for x
    x = 31,785,656,202.55/203,711.36
  6. Step 6: Final answer
    x = 156,032.81

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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.