Home / 217,556.28-326,463.82-117,714.47

Finding the Fourth Proportional to 217,556.28, 326,463.82 and 117,714.47

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Solution

The fourth proportional to 217,556.28, 326,463.82 and 117,714.47 is: 176,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,556.28 : 326,463.82 = 117,714.47 : x
  2. Step 2: Convert to fraction form
    217,556.28/326,463.82 = 117,714.47/x
  3. Step 3: Cross multiply
    217,556.28x = 326,463.82 × 117,714.47
  4. Step 4: Simplify right side
    217,556.28x = 38,429,513,618.87
  5. Step 5: Solve for x
    x = 38,429,513,618.87/217,556.28
  6. Step 6: Final answer
    x = 176,641.71

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1.5x scale

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.