Home / 220,664.94-330,706.89-87,472.59

Finding the Fourth Proportional to 220,664.94, 330,706.89 and 87,472.59

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Solution

The fourth proportional to 220,664.94, 330,706.89 and 87,472.59 is: 131,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664.94 : 330,706.89 = 87,472.59 : x
  2. Step 2: Convert to fraction form
    220,664.94/330,706.89 = 87,472.59/x
  3. Step 3: Cross multiply
    220,664.94x = 330,706.89 × 87,472.59
  4. Step 4: Simplify right side
    220,664.94x = 28,927,788,199.15
  5. Step 5: Solve for x
    x = 28,927,788,199.15/220,664.94
  6. Step 6: Final answer
    x = 131,093.72

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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.