Home / 141,456.76-195,205.86-77,794.36

Finding the Fourth Proportional to 141,456.76, 195,205.86 and 77,794.36

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Solution

The fourth proportional to 141,456.76, 195,205.86 and 77,794.36 is: 107,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.76 : 195,205.86 = 77,794.36 : x
  2. Step 2: Convert to fraction form
    141,456.76/195,205.86 = 77,794.36/x
  3. Step 3: Cross multiply
    141,456.76x = 195,205.86 × 77,794.36
  4. Step 4: Simplify right side
    141,456.76x = 15,185,914,946.95
  5. Step 5: Solve for x
    x = 15,185,914,946.95/141,456.76
  6. Step 6: Final answer
    x = 107,353.76

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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.