Home / 203,691.16-305,094.48-124,565.50

Finding the Fourth Proportional to 203,691.16, 305,094.48 and 124,565.50

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Solution

The fourth proportional to 203,691.16, 305,094.48 and 124,565.50 is: 186,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,691.16 : 305,094.48 = 124,565.50 : x
  2. Step 2: Convert to fraction form
    203,691.16/305,094.48 = 124,565.50/x
  3. Step 3: Cross multiply
    203,691.16x = 305,094.48 × 124,565.50
  4. Step 4: Simplify right side
    203,691.16x = 38,004,246,448.44
  5. Step 5: Solve for x
    x = 38,004,246,448.44/203,691.16
  6. Step 6: Final answer
    x = 186,577.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.