Home / 141,142.14-194,775.32-76,612.66

Finding the Fourth Proportional to 141,142.14, 194,775.32 and 76,612.66

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Solution

The fourth proportional to 141,142.14, 194,775.32 and 76,612.66 is: 105,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,142.14 : 194,775.32 = 76,612.66 : x
  2. Step 2: Convert to fraction form
    141,142.14/194,775.32 = 76,612.66/x
  3. Step 3: Cross multiply
    141,142.14x = 194,775.32 × 76,612.66
  4. Step 4: Simplify right side
    141,142.14x = 14,922,255,072.14
  5. Step 5: Solve for x
    x = 14,922,255,072.14/141,142.14
  6. Step 6: Final answer
    x = 105,725.02

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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.