Home / 141,793.14-195,667.47-78,120.66

Finding the Fourth Proportional to 141,793.14, 195,667.47 and 78,120.66

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Solution

The fourth proportional to 141,793.14, 195,667.47 and 78,120.66 is: 107,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793.14 : 195,667.47 = 78,120.66 : x
  2. Step 2: Convert to fraction form
    141,793.14/195,667.47 = 78,120.66/x
  3. Step 3: Cross multiply
    141,793.14x = 195,667.47 × 78,120.66
  4. Step 4: Simplify right side
    141,793.14x = 15,285,671,896.93
  5. Step 5: Solve for x
    x = 15,285,671,896.93/141,793.14
  6. Step 6: Final answer
    x = 107,802.62

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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.