Home / 192,305.10-265,377.15-116,877.90

Finding the Fourth Proportional to 192,305.10, 265,377.15 and 116,877.90

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Solution

The fourth proportional to 192,305.10, 265,377.15 and 116,877.90 is: 161,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,305.10 : 265,377.15 = 116,877.90 : x
  2. Step 2: Convert to fraction form
    192,305.10/265,377.15 = 116,877.90/x
  3. Step 3: Cross multiply
    192,305.10x = 265,377.15 × 116,877.90
  4. Step 4: Simplify right side
    192,305.10x = 31,016,723,999.99
  5. Step 5: Solve for x
    x = 31,016,723,999.99/192,305.10
  6. Step 6: Final answer
    x = 161,289.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.