Home / 152,022.60-228,033.90-67,782.60

Finding the Fourth Proportional to 152,022.60, 228,033.90 and 67,782.60

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Solution

The fourth proportional to 152,022.60, 228,033.90 and 67,782.60 is: 101,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,022.60 : 228,033.90 = 67,782.60 : x
  2. Step 2: Convert to fraction form
    152,022.60/228,033.90 = 67,782.60/x
  3. Step 3: Cross multiply
    152,022.60x = 228,033.90 × 67,782.60
  4. Step 4: Simplify right side
    152,022.60x = 15,456,730,630.14
  5. Step 5: Solve for x
    x = 15,456,730,630.14/152,022.60
  6. Step 6: Final answer
    x = 101,673.90

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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.