Home / 191,305.28-263,892-114,803.84

Finding the Fourth Proportional to 191,305.28, 263,892 and 114,803.84

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Solution

The fourth proportional to 191,305.28, 263,892 and 114,803.84 is: 158,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,305.28 : 263,892 = 114,803.84 : x
  2. Step 2: Convert to fraction form
    191,305.28/263,892 = 114,803.84/x
  3. Step 3: Cross multiply
    191,305.28x = 263,892 × 114,803.84
  4. Step 4: Simplify right side
    191,305.28x = 30,295,814,945.28
  5. Step 5: Solve for x
    x = 30,295,814,945.28/191,305.28
  6. Step 6: Final answer
    x = 158,363.72

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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.