Home / 219,666.21-329,538.20-82,886.37

Finding the Fourth Proportional to 219,666.21, 329,538.20 and 82,886.37

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Solution

The fourth proportional to 219,666.21, 329,538.20 and 82,886.37 is: 124,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,666.21 : 329,538.20 = 82,886.37 : x
  2. Step 2: Convert to fraction form
    219,666.21/329,538.20 = 82,886.37/x
  3. Step 3: Cross multiply
    219,666.21x = 329,538.20 × 82,886.37
  4. Step 4: Simplify right side
    219,666.21x = 27,314,224,759.90
  5. Step 5: Solve for x
    x = 27,314,224,759.90/219,666.21
  6. Step 6: Final answer
    x = 124,344.23

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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.