Home / 219,884.50-329,810.19-70,118.74

Finding the Fourth Proportional to 219,884.50, 329,810.19 and 70,118.74

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Solution

The fourth proportional to 219,884.50, 329,810.19 and 70,118.74 is: 105,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884.50 : 329,810.19 = 70,118.74 : x
  2. Step 2: Convert to fraction form
    219,884.50/329,810.19 = 70,118.74/x
  3. Step 3: Cross multiply
    219,884.50x = 329,810.19 × 70,118.74
  4. Step 4: Simplify right side
    219,884.50x = 23,125,874,961.96
  5. Step 5: Solve for x
    x = 23,125,874,961.96/219,884.50
  6. Step 6: Final answer
    x = 105,172.83

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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.