Home / 228,766.89-343,196.15-79,012.65

Finding the Fourth Proportional to 228,766.89, 343,196.15 and 79,012.65

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Solution

The fourth proportional to 228,766.89, 343,196.15 and 79,012.65 is: 118,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,766.89 : 343,196.15 = 79,012.65 : x
  2. Step 2: Convert to fraction form
    228,766.89/343,196.15 = 79,012.65/x
  3. Step 3: Cross multiply
    228,766.89x = 343,196.15 × 79,012.65
  4. Step 4: Simplify right side
    228,766.89x = 27,116,836,886.23
  5. Step 5: Solve for x
    x = 27,116,836,886.23/228,766.89
  6. Step 6: Final answer
    x = 118,534.80

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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.