Home / 219,827.54-329,519.67-86,656.22

Finding the Fourth Proportional to 219,827.54, 329,519.67 and 86,656.22

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Solution

The fourth proportional to 219,827.54, 329,519.67 and 86,656.22 is: 129,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827.54 : 329,519.67 = 86,656.22 : x
  2. Step 2: Convert to fraction form
    219,827.54/329,519.67 = 86,656.22/x
  3. Step 3: Cross multiply
    219,827.54x = 329,519.67 × 86,656.22
  4. Step 4: Simplify right side
    219,827.54x = 28,554,929,017.85
  5. Step 5: Solve for x
    x = 28,554,929,017.85/219,827.54
  6. Step 6: Final answer
    x = 129,896.96

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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.