Home / 203,697.11-281,102.13-113,053.12

Finding the Fourth Proportional to 203,697.11, 281,102.13 and 113,053.12

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Solution

The fourth proportional to 203,697.11, 281,102.13 and 113,053.12 is: 156,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,697.11 : 281,102.13 = 113,053.12 : x
  2. Step 2: Convert to fraction form
    203,697.11/281,102.13 = 113,053.12/x
  3. Step 3: Cross multiply
    203,697.11x = 281,102.13 × 113,053.12
  4. Step 4: Simplify right side
    203,697.11x = 31,779,472,132.39
  5. Step 5: Solve for x
    x = 31,779,472,132.39/203,697.11
  6. Step 6: Final answer
    x = 156,013.37

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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.