Home / 152,618.94-228,938.49-52,788.78

Finding the Fourth Proportional to 152,618.94, 228,938.49 and 52,788.78

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Solution

The fourth proportional to 152,618.94, 228,938.49 and 52,788.78 is: 79,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,618.94 : 228,938.49 = 52,788.78 : x
  2. Step 2: Convert to fraction form
    152,618.94/228,938.49 = 52,788.78/x
  3. Step 3: Cross multiply
    152,618.94x = 228,938.49 × 52,788.78
  4. Step 4: Simplify right side
    152,618.94x = 12,085,383,582.14
  5. Step 5: Solve for x
    x = 12,085,383,582.14/152,618.94
  6. Step 6: Final answer
    x = 79,186.66

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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.