Home / 117,211.30-161,750.94-63,497.36

Finding the Fourth Proportional to 117,211.30, 161,750.94 and 63,497.36

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Solution

The fourth proportional to 117,211.30, 161,750.94 and 63,497.36 is: 87,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211.30 : 161,750.94 = 63,497.36 : x
  2. Step 2: Convert to fraction form
    117,211.30/161,750.94 = 63,497.36/x
  3. Step 3: Cross multiply
    117,211.30x = 161,750.94 × 63,497.36
  4. Step 4: Simplify right side
    117,211.30x = 10,270,757,667.52
  5. Step 5: Solve for x
    x = 10,270,757,667.52/117,211.30
  6. Step 6: Final answer
    x = 87,626.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.