Home / 219,746.82-329,633.10-84,811.62

Finding the Fourth Proportional to 219,746.82, 329,633.10 and 84,811.62

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Solution

The fourth proportional to 219,746.82, 329,633.10 and 84,811.62 is: 127,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,746.82 : 329,633.10 = 84,811.62 : x
  2. Step 2: Convert to fraction form
    219,746.82/329,633.10 = 84,811.62/x
  3. Step 3: Cross multiply
    219,746.82x = 329,633.10 × 84,811.62
  4. Step 4: Simplify right side
    219,746.82x = 27,956,717,216.62
  5. Step 5: Solve for x
    x = 27,956,717,216.62/219,746.82
  6. Step 6: Final answer
    x = 127,222.40

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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.