Home / 220,827.48-331,239.88-132,105.76

Finding the Fourth Proportional to 220,827.48, 331,239.88 and 132,105.76

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Solution

The fourth proportional to 220,827.48, 331,239.88 and 132,105.76 is: 198,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,827.48 : 331,239.88 = 132,105.76 : x
  2. Step 2: Convert to fraction form
    220,827.48/331,239.88 = 132,105.76/x
  3. Step 3: Cross multiply
    220,827.48x = 331,239.88 × 132,105.76
  4. Step 4: Simplify right side
    220,827.48x = 43,758,696,089.71
  5. Step 5: Solve for x
    x = 43,758,696,089.71/220,827.48
  6. Step 6: Final answer
    x = 198,157.84

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1.5x scale

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.