Home / 203,677.16-305,442.83-70,521.66

Finding the Fourth Proportional to 203,677.16, 305,442.83 and 70,521.66

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Solution

The fourth proportional to 203,677.16, 305,442.83 and 70,521.66 is: 105,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,677.16 : 305,442.83 = 70,521.66 : x
  2. Step 2: Convert to fraction form
    203,677.16/305,442.83 = 70,521.66/x
  3. Step 3: Cross multiply
    203,677.16x = 305,442.83 × 70,521.66
  4. Step 4: Simplify right side
    203,677.16x = 21,540,335,583.00
  5. Step 5: Solve for x
    x = 21,540,335,583.00/203,677.16
  6. Step 6: Final answer
    x = 105,757.25

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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.