Home / 116,839.75-161,250.23-69,108.47

Finding the Fourth Proportional to 116,839.75, 161,250.23 and 69,108.47

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Solution

The fourth proportional to 116,839.75, 161,250.23 and 69,108.47 is: 95,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,839.75 : 161,250.23 = 69,108.47 : x
  2. Step 2: Convert to fraction form
    116,839.75/161,250.23 = 69,108.47/x
  3. Step 3: Cross multiply
    116,839.75x = 161,250.23 × 69,108.47
  4. Step 4: Simplify right side
    116,839.75x = 11,143,756,682.45
  5. Step 5: Solve for x
    x = 11,143,756,682.45/116,839.75
  6. Step 6: Final answer
    x = 95,376.42

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1.5x scale

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.