Home / 203,721.44-281,130.22-113,077.16

Finding the Fourth Proportional to 203,721.44, 281,130.22 and 113,077.16

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Solution

The fourth proportional to 203,721.44, 281,130.22 and 113,077.16 is: 156,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,721.44 : 281,130.22 = 113,077.16 : x
  2. Step 2: Convert to fraction form
    203,721.44/281,130.22 = 113,077.16/x
  3. Step 3: Cross multiply
    203,721.44x = 281,130.22 × 113,077.16
  4. Step 4: Simplify right side
    203,721.44x = 31,789,406,867.78
  5. Step 5: Solve for x
    x = 31,789,406,867.78/203,721.44
  6. Step 6: Final answer
    x = 156,043.50

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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.