Home / 220,688.74-330,996.05-62,879.68

Finding the Fourth Proportional to 220,688.74, 330,996.05 and 62,879.68

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Solution

The fourth proportional to 220,688.74, 330,996.05 and 62,879.68 is: 94,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,688.74 : 330,996.05 = 62,879.68 : x
  2. Step 2: Convert to fraction form
    220,688.74/330,996.05 = 62,879.68/x
  3. Step 3: Cross multiply
    220,688.74x = 330,996.05 × 62,879.68
  4. Step 4: Simplify right side
    220,688.74x = 20,812,925,705.26
  5. Step 5: Solve for x
    x = 20,812,925,705.26/220,688.74
  6. Step 6: Final answer
    x = 94,308.96

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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.