Home / 141,932.15-195,864.78-77,401.17

Finding the Fourth Proportional to 141,932.15, 195,864.78 and 77,401.17

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Solution

The fourth proportional to 141,932.15, 195,864.78 and 77,401.17 is: 106,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.15 : 195,864.78 = 77,401.17 : x
  2. Step 2: Convert to fraction form
    141,932.15/195,864.78 = 77,401.17/x
  3. Step 3: Cross multiply
    141,932.15x = 195,864.78 × 77,401.17
  4. Step 4: Simplify right side
    141,932.15x = 15,160,163,424.05
  5. Step 5: Solve for x
    x = 15,160,163,424.05/141,932.15
  6. Step 6: Final answer
    x = 106,812.75

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1.5x scale

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.