Home / 219,404.20-329,009.10-101,111.80

Finding the Fourth Proportional to 219,404.20, 329,009.10 and 101,111.80

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Solution

The fourth proportional to 219,404.20, 329,009.10 and 101,111.80 is: 151,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,404.20 : 329,009.10 = 101,111.80 : x
  2. Step 2: Convert to fraction form
    219,404.20/329,009.10 = 101,111.80/x
  3. Step 3: Cross multiply
    219,404.20x = 329,009.10 × 101,111.80
  4. Step 4: Simplify right side
    219,404.20x = 33,266,702,317.38
  5. Step 5: Solve for x
    x = 33,266,702,317.38/219,404.20
  6. Step 6: Final answer
    x = 151,622.91

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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.