Home / 152,205.87-228,310.35-67,970.33

Finding the Fourth Proportional to 152,205.87, 228,310.35 and 67,970.33

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Solution

The fourth proportional to 152,205.87, 228,310.35 and 67,970.33 is: 101,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,205.87 : 228,310.35 = 67,970.33 : x
  2. Step 2: Convert to fraction form
    152,205.87/228,310.35 = 67,970.33/x
  3. Step 3: Cross multiply
    152,205.87x = 228,310.35 × 67,970.33
  4. Step 4: Simplify right side
    152,205.87x = 15,518,328,350.51
  5. Step 5: Solve for x
    x = 15,518,328,350.51/152,205.87
  6. Step 6: Final answer
    x = 101,956.18

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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.