Home / 219,616.08-329,421.72-53,404.24

Finding the Fourth Proportional to 219,616.08, 329,421.72 and 53,404.24

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Solution

The fourth proportional to 219,616.08, 329,421.72 and 53,404.24 is: 80,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,616.08 : 329,421.72 = 53,404.24 : x
  2. Step 2: Convert to fraction form
    219,616.08/329,421.72 = 53,404.24/x
  3. Step 3: Cross multiply
    219,616.08x = 329,421.72 × 53,404.24
  4. Step 4: Simplify right side
    219,616.08x = 17,592,516,596.09
  5. Step 5: Solve for x
    x = 17,592,516,596.09/219,616.08
  6. Step 6: Final answer
    x = 80,105.78

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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.