Home / 117,257.12-176,120.93-69,964.56

Finding the Fourth Proportional to 117,257.12, 176,120.93 and 69,964.56

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Solution

The fourth proportional to 117,257.12, 176,120.93 and 69,964.56 is: 105,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,257.12 : 176,120.93 = 69,964.56 : x
  2. Step 2: Convert to fraction form
    117,257.12/176,120.93 = 69,964.56/x
  3. Step 3: Cross multiply
    117,257.12x = 176,120.93 × 69,964.56
  4. Step 4: Simplify right side
    117,257.12x = 12,322,223,549.15
  5. Step 5: Solve for x
    x = 12,322,223,549.15/117,257.12
  6. Step 6: Final answer
    x = 105,087.21

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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.