Home / 141,212.66-194,874.75-77,550.93

Finding the Fourth Proportional to 141,212.66, 194,874.75 and 77,550.93

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Solution

The fourth proportional to 141,212.66, 194,874.75 and 77,550.93 is: 107,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.66 : 194,874.75 = 77,550.93 : x
  2. Step 2: Convert to fraction form
    141,212.66/194,874.75 = 77,550.93/x
  3. Step 3: Cross multiply
    141,212.66x = 194,874.75 × 77,550.93
  4. Step 4: Simplify right side
    141,212.66x = 15,112,718,096.02
  5. Step 5: Solve for x
    x = 15,112,718,096.02/141,212.66
  6. Step 6: Final answer
    x = 107,020.99

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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.