Home / 147,284.92-220,922.96-40,675.36

Finding the Fourth Proportional to 147,284.92, 220,922.96 and 40,675.36

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Solution

The fourth proportional to 147,284.92, 220,922.96 and 40,675.36 is: 61,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,284.92 : 220,922.96 = 40,675.36 : x
  2. Step 2: Convert to fraction form
    147,284.92/220,922.96 = 40,675.36/x
  3. Step 3: Cross multiply
    147,284.92x = 220,922.96 × 40,675.36
  4. Step 4: Simplify right side
    147,284.92x = 8,986,120,930.27
  5. Step 5: Solve for x
    x = 8,986,120,930.27/147,284.92
  6. Step 6: Final answer
    x = 61,011.82

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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.