Home / 141,411.59-195,151.84-76,885.17

Finding the Fourth Proportional to 141,411.59, 195,151.84 and 76,885.17

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Solution

The fourth proportional to 141,411.59, 195,151.84 and 76,885.17 is: 106,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,411.59 : 195,151.84 = 76,885.17 : x
  2. Step 2: Convert to fraction form
    141,411.59/195,151.84 = 76,885.17/x
  3. Step 3: Cross multiply
    141,411.59x = 195,151.84 × 76,885.17
  4. Step 4: Simplify right side
    141,411.59x = 15,004,282,394.21
  5. Step 5: Solve for x
    x = 15,004,282,394.21/141,411.59
  6. Step 6: Final answer
    x = 106,103.63

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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.