Home / 192,111.29-288,179.19-79,800.65

Finding the Fourth Proportional to 192,111.29, 288,179.19 and 79,800.65

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Solution

The fourth proportional to 192,111.29, 288,179.19 and 79,800.65 is: 119,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,111.29 : 288,179.19 = 79,800.65 : x
  2. Step 2: Convert to fraction form
    192,111.29/288,179.19 = 79,800.65/x
  3. Step 3: Cross multiply
    192,111.29x = 288,179.19 × 79,800.65
  4. Step 4: Simplify right side
    192,111.29x = 22,996,886,678.47
  5. Step 5: Solve for x
    x = 22,996,886,678.47/192,111.29
  6. Step 6: Final answer
    x = 119,706.07

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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.