Home / 220,358.14-330,478.17-95,669.50

Finding the Fourth Proportional to 220,358.14, 330,478.17 and 95,669.50

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Solution

The fourth proportional to 220,358.14, 330,478.17 and 95,669.50 is: 143,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,358.14 : 330,478.17 = 95,669.50 : x
  2. Step 2: Convert to fraction form
    220,358.14/330,478.17 = 95,669.50/x
  3. Step 3: Cross multiply
    220,358.14x = 330,478.17 × 95,669.50
  4. Step 4: Simplify right side
    220,358.14x = 31,616,681,284.82
  5. Step 5: Solve for x
    x = 31,616,681,284.82/220,358.14
  6. Step 6: Final answer
    x = 143,478.62

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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.