Home / 219,512.08-329,261.52-86,296.24

Finding the Fourth Proportional to 219,512.08, 329,261.52 and 86,296.24

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Solution

The fourth proportional to 219,512.08, 329,261.52 and 86,296.24 is: 129,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,512.08 : 329,261.52 = 86,296.24 : x
  2. Step 2: Convert to fraction form
    219,512.08/329,261.52 = 86,296.24/x
  3. Step 3: Cross multiply
    219,512.08x = 329,261.52 × 86,296.24
  4. Step 4: Simplify right side
    219,512.08x = 28,414,031,152.68
  5. Step 5: Solve for x
    x = 28,414,031,152.68/219,512.08
  6. Step 6: Final answer
    x = 129,441.77

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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.