Home / 117,222.41-175,964.85-77,856.41

Finding the Fourth Proportional to 117,222.41, 175,964.85 and 77,856.41

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Solution

The fourth proportional to 117,222.41, 175,964.85 and 77,856.41 is: 116,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,222.41 : 175,964.85 = 77,856.41 : x
  2. Step 2: Convert to fraction form
    117,222.41/175,964.85 = 77,856.41/x
  3. Step 3: Cross multiply
    117,222.41x = 175,964.85 × 77,856.41
  4. Step 4: Simplify right side
    117,222.41x = 13,699,991,947.10
  5. Step 5: Solve for x
    x = 13,699,991,947.10/117,222.41
  6. Step 6: Final answer
    x = 116,871.78

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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.