Home / 215,237.30-296,716.44-142,518.44

Finding the Fourth Proportional to 215,237.30, 296,716.44 and 142,518.44

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Solution

The fourth proportional to 215,237.30, 296,716.44 and 142,518.44 is: 196,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,237.30 : 296,716.44 = 142,518.44 : x
  2. Step 2: Convert to fraction form
    215,237.30/296,716.44 = 142,518.44/x
  3. Step 3: Cross multiply
    215,237.30x = 296,716.44 × 142,518.44
  4. Step 4: Simplify right side
    215,237.30x = 42,287,564,151.15
  5. Step 5: Solve for x
    x = 42,287,564,151.15/215,237.30
  6. Step 6: Final answer
    x = 196,469.50

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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.