Home / 219,712.06-329,580.94-84,776.85

Finding the Fourth Proportional to 219,712.06, 329,580.94 and 84,776.85

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Solution

The fourth proportional to 219,712.06, 329,580.94 and 84,776.85 is: 127,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,712.06 : 329,580.94 = 84,776.85 : x
  2. Step 2: Convert to fraction form
    219,712.06/329,580.94 = 84,776.85/x
  3. Step 3: Cross multiply
    219,712.06x = 329,580.94 × 84,776.85
  4. Step 4: Simplify right side
    219,712.06x = 27,940,834,667.98
  5. Step 5: Solve for x
    x = 27,940,834,667.98/219,712.06
  6. Step 6: Final answer
    x = 127,170.24

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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.