Home / 152,117.33-228,213.35-52,278.95

Finding the Fourth Proportional to 152,117.33, 228,213.35 and 52,278.95

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Solution

The fourth proportional to 152,117.33, 228,213.35 and 52,278.95 is: 78,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,117.33 : 228,213.35 = 52,278.95 : x
  2. Step 2: Convert to fraction form
    152,117.33/228,213.35 = 52,278.95/x
  3. Step 3: Cross multiply
    152,117.33x = 228,213.35 × 52,278.95
  4. Step 4: Simplify right side
    152,117.33x = 11,930,754,819.17
  5. Step 5: Solve for x
    x = 11,930,754,819.17/152,117.33
  6. Step 6: Final answer
    x = 78,431.27

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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.