Home / 192,523.11-288,193.50-121,111.38

Finding the Fourth Proportional to 192,523.11, 288,193.50 and 121,111.38

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Solution

The fourth proportional to 192,523.11, 288,193.50 and 121,111.38 is: 181,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,523.11 : 288,193.50 = 121,111.38 : x
  2. Step 2: Convert to fraction form
    192,523.11/288,193.50 = 121,111.38/x
  3. Step 3: Cross multiply
    192,523.11x = 288,193.50 × 121,111.38
  4. Step 4: Simplify right side
    192,523.11x = 34,903,513,118.59
  5. Step 5: Solve for x
    x = 34,903,513,118.59/192,523.11
  6. Step 6: Final answer
    x = 181,295.19

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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.