Home / 141,823.17-195,713.46-77,293

Finding the Fourth Proportional to 141,823.17, 195,713.46 and 77,293

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Solution

The fourth proportional to 141,823.17, 195,713.46 and 77,293 is: 106,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.17 : 195,713.46 = 77,293 : x
  2. Step 2: Convert to fraction form
    141,823.17/195,713.46 = 77,293/x
  3. Step 3: Cross multiply
    141,823.17x = 195,713.46 × 77,293
  4. Step 4: Simplify right side
    141,823.17x = 15,127,280,463.78
  5. Step 5: Solve for x
    x = 15,127,280,463.78/141,823.17
  6. Step 6: Final answer
    x = 106,662.97

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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.