Home / 217,577.88-326,496.21-117,736.06

Finding the Fourth Proportional to 217,577.88, 326,496.21 and 117,736.06

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Solution

The fourth proportional to 217,577.88, 326,496.21 and 117,736.06 is: 176,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,577.88 : 326,496.21 = 117,736.06 : x
  2. Step 2: Convert to fraction form
    217,577.88/326,496.21 = 117,736.06/x
  3. Step 3: Cross multiply
    217,577.88x = 326,496.21 × 117,736.06
  4. Step 4: Simplify right side
    217,577.88x = 38,440,377,370.33
  5. Step 5: Solve for x
    x = 38,440,377,370.33/217,577.88
  6. Step 6: Final answer
    x = 176,674.11

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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.