Home / 217,686.26-326,467.56-84,538.10

Finding the Fourth Proportional to 217,686.26, 326,467.56 and 84,538.10

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Solution

The fourth proportional to 217,686.26, 326,467.56 and 84,538.10 is: 126,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,686.26 : 326,467.56 = 84,538.10 : x
  2. Step 2: Convert to fraction form
    217,686.26/326,467.56 = 84,538.10/x
  3. Step 3: Cross multiply
    217,686.26x = 326,467.56 × 84,538.10
  4. Step 4: Simplify right side
    217,686.26x = 27,598,947,234.04
  5. Step 5: Solve for x
    x = 27,598,947,234.04/217,686.26
  6. Step 6: Final answer
    x = 126,783.14

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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.