Home / 117,233.62-161,780.27-66,245.27

Finding the Fourth Proportional to 117,233.62, 161,780.27 and 66,245.27

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Solution

The fourth proportional to 117,233.62, 161,780.27 and 66,245.27 is: 91,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233.62 : 161,780.27 = 66,245.27 : x
  2. Step 2: Convert to fraction form
    117,233.62/161,780.27 = 66,245.27/x
  3. Step 3: Cross multiply
    117,233.62x = 161,780.27 × 66,245.27
  4. Step 4: Simplify right side
    117,233.62x = 10,717,176,526.70
  5. Step 5: Solve for x
    x = 10,717,176,526.70/117,233.62
  6. Step 6: Final answer
    x = 91,417.26

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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.