Home / 217,590.80-326,515.56-117,748.96

Finding the Fourth Proportional to 217,590.80, 326,515.56 and 117,748.96

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Solution

The fourth proportional to 217,590.80, 326,515.56 and 117,748.96 is: 176,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,590.80 : 326,515.56 = 117,748.96 : x
  2. Step 2: Convert to fraction form
    217,590.80/326,515.56 = 117,748.96/x
  3. Step 3: Cross multiply
    217,590.80x = 326,515.56 × 117,748.96
  4. Step 4: Simplify right side
    217,590.80x = 38,446,867,613.82
  5. Step 5: Solve for x
    x = 38,446,867,613.82/217,590.80
  6. Step 6: Final answer
    x = 176,693.44

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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.