Home / 117,769.21-176,546.91-42,836.38

Finding the Fourth Proportional to 117,769.21, 176,546.91 and 42,836.38

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Solution

The fourth proportional to 117,769.21, 176,546.91 and 42,836.38 is: 64,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.21 : 176,546.91 = 42,836.38 : x
  2. Step 2: Convert to fraction form
    117,769.21/176,546.91 = 42,836.38/x
  3. Step 3: Cross multiply
    117,769.21x = 176,546.91 × 42,836.38
  4. Step 4: Simplify right side
    117,769.21x = 7,562,630,995.98
  5. Step 5: Solve for x
    x = 7,562,630,995.98/117,769.21
  6. Step 6: Final answer
    x = 64,215.69

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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.