Home / 159,747.54-220,451.30-87,150.44

Finding the Fourth Proportional to 159,747.54, 220,451.30 and 87,150.44

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Solution

The fourth proportional to 159,747.54, 220,451.30 and 87,150.44 is: 120,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,747.54 : 220,451.30 = 87,150.44 : x
  2. Step 2: Convert to fraction form
    159,747.54/220,451.30 = 87,150.44/x
  3. Step 3: Cross multiply
    159,747.54x = 220,451.30 × 87,150.44
  4. Step 4: Simplify right side
    159,747.54x = 19,212,426,909.19
  5. Step 5: Solve for x
    x = 19,212,426,909.19/159,747.54
  6. Step 6: Final answer
    x = 120,267.44

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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.