Home / 141,292.88-194,981.04-76,760.45

Finding the Fourth Proportional to 141,292.88, 194,981.04 and 76,760.45

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Solution

The fourth proportional to 141,292.88, 194,981.04 and 76,760.45 is: 105,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,292.88 : 194,981.04 = 76,760.45 : x
  2. Step 2: Convert to fraction form
    141,292.88/194,981.04 = 76,760.45/x
  3. Step 3: Cross multiply
    141,292.88x = 194,981.04 × 76,760.45
  4. Step 4: Simplify right side
    141,292.88x = 14,966,832,371.87
  5. Step 5: Solve for x
    x = 14,966,832,371.87/141,292.88
  6. Step 6: Final answer
    x = 105,927.72

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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.