Home / 152,454.87-228,891.78-77,625.30

Finding the Fourth Proportional to 152,454.87, 228,891.78 and 77,625.30

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Solution

The fourth proportional to 152,454.87, 228,891.78 and 77,625.30 is: 116,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454.87 : 228,891.78 = 77,625.30 : x
  2. Step 2: Convert to fraction form
    152,454.87/228,891.78 = 77,625.30/x
  3. Step 3: Cross multiply
    152,454.87x = 228,891.78 × 77,625.30
  4. Step 4: Simplify right side
    152,454.87x = 17,767,791,557.45
  5. Step 5: Solve for x
    x = 17,767,791,557.45/152,454.87
  6. Step 6: Final answer
    x = 116,544.60

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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.