Home / 203,712.06-281,120.52-113,068.81

Finding the Fourth Proportional to 203,712.06, 281,120.52 and 113,068.81

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Solution

The fourth proportional to 203,712.06, 281,120.52 and 113,068.81 is: 156,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,712.06 : 281,120.52 = 113,068.81 : x
  2. Step 2: Convert to fraction form
    203,712.06/281,120.52 = 113,068.81/x
  3. Step 3: Cross multiply
    203,712.06x = 281,120.52 × 113,068.81
  4. Step 4: Simplify right side
    203,712.06x = 31,785,963,438.39
  5. Step 5: Solve for x
    x = 31,785,963,438.39/203,712.06
  6. Step 6: Final answer
    x = 156,033.78

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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.