Home / 141,254.36-194,932.43-76,724.21

Finding the Fourth Proportional to 141,254.36, 194,932.43 and 76,724.21

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Solution

The fourth proportional to 141,254.36, 194,932.43 and 76,724.21 is: 105,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,254.36 : 194,932.43 = 76,724.21 : x
  2. Step 2: Convert to fraction form
    141,254.36/194,932.43 = 76,724.21/x
  3. Step 3: Cross multiply
    141,254.36x = 194,932.43 × 76,724.21
  4. Step 4: Simplify right side
    141,254.36x = 14,956,035,336.85
  5. Step 5: Solve for x
    x = 14,956,035,336.85/141,254.36
  6. Step 6: Final answer
    x = 105,880.17

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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.