Home / 141,117.77-194,732.34-80,690.96

Finding the Fourth Proportional to 141,117.77, 194,732.34 and 80,690.96

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Solution

The fourth proportional to 141,117.77, 194,732.34 and 80,690.96 is: 111,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,117.77 : 194,732.34 = 80,690.96 : x
  2. Step 2: Convert to fraction form
    141,117.77/194,732.34 = 80,690.96/x
  3. Step 3: Cross multiply
    141,117.77x = 194,732.34 × 80,690.96
  4. Step 4: Simplify right side
    141,117.77x = 15,713,138,483.98
  5. Step 5: Solve for x
    x = 15,713,138,483.98/141,117.77
  6. Step 6: Final answer
    x = 111,347.70

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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.