Home / 106,267.20-159,437.71-47,144.39

Finding the Fourth Proportional to 106,267.20, 159,437.71 and 47,144.39

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Solution

The fourth proportional to 106,267.20, 159,437.71 and 47,144.39 is: 70,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,267.20 : 159,437.71 = 47,144.39 : x
  2. Step 2: Convert to fraction form
    106,267.20/159,437.71 = 47,144.39/x
  3. Step 3: Cross multiply
    106,267.20x = 159,437.71 × 47,144.39
  4. Step 4: Simplify right side
    106,267.20x = 7,516,593,580.95
  5. Step 5: Solve for x
    x = 7,516,593,580.95/106,267.20
  6. Step 6: Final answer
    x = 70,732.96

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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.