Home / 217,500.80-326,157.94-117,633.88

Finding the Fourth Proportional to 217,500.80, 326,157.94 and 117,633.88

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Solution

The fourth proportional to 217,500.80, 326,157.94 and 117,633.88 is: 176,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,500.80 : 326,157.94 = 117,633.88 : x
  2. Step 2: Convert to fraction form
    217,500.80/326,157.94 = 117,633.88/x
  3. Step 3: Cross multiply
    217,500.80x = 326,157.94 × 117,633.88
  4. Step 4: Simplify right side
    217,500.80x = 38,367,223,975.01
  5. Step 5: Solve for x
    x = 38,367,223,975.01/217,500.80
  6. Step 6: Final answer
    x = 176,400.38

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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.