Home / 192,186.33-288,280.51-126,045.30

Finding the Fourth Proportional to 192,186.33, 288,280.51 and 126,045.30

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Solution

The fourth proportional to 192,186.33, 288,280.51 and 126,045.30 is: 189,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,186.33 : 288,280.51 = 126,045.30 : x
  2. Step 2: Convert to fraction form
    192,186.33/288,280.51 = 126,045.30/x
  3. Step 3: Cross multiply
    192,186.33x = 288,280.51 × 126,045.30
  4. Step 4: Simplify right side
    192,186.33x = 36,336,403,220.47
  5. Step 5: Solve for x
    x = 36,336,403,220.47/192,186.33
  6. Step 6: Final answer
    x = 189,068.62

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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.