Home / 223,456.20-335,331.91-105,136.76

Finding the Fourth Proportional to 223,456.20, 335,331.91 and 105,136.76

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Solution

The fourth proportional to 223,456.20, 335,331.91 and 105,136.76 is: 157,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,456.20 : 335,331.91 = 105,136.76 : x
  2. Step 2: Convert to fraction form
    223,456.20/335,331.91 = 105,136.76/x
  3. Step 3: Cross multiply
    223,456.20x = 335,331.91 × 105,136.76
  4. Step 4: Simplify right side
    223,456.20x = 35,255,711,511.76
  5. Step 5: Solve for x
    x = 35,255,711,511.76/223,456.20
  6. Step 6: Final answer
    x = 157,774.60

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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.