Home / 152,611.87-228,950.61-51,419.98

Finding the Fourth Proportional to 152,611.87, 228,950.61 and 51,419.98

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Solution

The fourth proportional to 152,611.87, 228,950.61 and 51,419.98 is: 77,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,611.87 : 228,950.61 = 51,419.98 : x
  2. Step 2: Convert to fraction form
    152,611.87/228,950.61 = 51,419.98/x
  3. Step 3: Cross multiply
    152,611.87x = 228,950.61 × 51,419.98
  4. Step 4: Simplify right side
    152,611.87x = 11,772,635,021.99
  5. Step 5: Solve for x
    x = 11,772,635,021.99/152,611.87
  6. Step 6: Final answer
    x = 77,141.02

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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.