Home / 141,456.14-195,205.56-77,793.93

Finding the Fourth Proportional to 141,456.14, 195,205.56 and 77,793.93

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Solution

The fourth proportional to 141,456.14, 195,205.56 and 77,793.93 is: 107,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.14 : 195,205.56 = 77,793.93 : x
  2. Step 2: Convert to fraction form
    141,456.14/195,205.56 = 77,793.93/x
  3. Step 3: Cross multiply
    141,456.14x = 195,205.56 × 77,793.93
  4. Step 4: Simplify right side
    141,456.14x = 15,185,807,670.25
  5. Step 5: Solve for x
    x = 15,185,807,670.25/141,456.14
  6. Step 6: Final answer
    x = 107,353.48

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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.