Home / 141,273.92-194,957.79-77,611.77

Finding the Fourth Proportional to 141,273.92, 194,957.79 and 77,611.77

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Solution

The fourth proportional to 141,273.92, 194,957.79 and 77,611.77 is: 107,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,273.92 : 194,957.79 = 77,611.77 : x
  2. Step 2: Convert to fraction form
    141,273.92/194,957.79 = 77,611.77/x
  3. Step 3: Cross multiply
    141,273.92x = 194,957.79 × 77,611.77
  4. Step 4: Simplify right side
    141,273.92x = 15,131,018,866.14
  5. Step 5: Solve for x
    x = 15,131,018,866.14/141,273.92
  6. Step 6: Final answer
    x = 107,104.12

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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.