Home / 152,022.10-228,033.15-67,782.10

Finding the Fourth Proportional to 152,022.10, 228,033.15 and 67,782.10

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Solution

The fourth proportional to 152,022.10, 228,033.15 and 67,782.10 is: 101,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,022.10 : 228,033.15 = 67,782.10 : x
  2. Step 2: Convert to fraction form
    152,022.10/228,033.15 = 67,782.10/x
  3. Step 3: Cross multiply
    152,022.10x = 228,033.15 × 67,782.10
  4. Step 4: Simplify right side
    152,022.10x = 15,456,565,776.62
  5. Step 5: Solve for x
    x = 15,456,565,776.62/152,022.10
  6. Step 6: Final answer
    x = 101,673.15

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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.