Home / 152,206.87-228,311.85-67,971.33

Finding the Fourth Proportional to 152,206.87, 228,311.85 and 67,971.33

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Solution

The fourth proportional to 152,206.87, 228,311.85 and 67,971.33 is: 101,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,206.87 : 228,311.85 = 67,971.33 : x
  2. Step 2: Convert to fraction form
    152,206.87/228,311.85 = 67,971.33/x
  3. Step 3: Cross multiply
    152,206.87x = 228,311.85 × 67,971.33
  4. Step 4: Simplify right side
    152,206.87x = 15,518,660,099.26
  5. Step 5: Solve for x
    x = 15,518,660,099.26/152,206.87
  6. Step 6: Final answer
    x = 101,957.68

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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.