Home / 141,500.37-195,269.49-77,836.80

Finding the Fourth Proportional to 141,500.37, 195,269.49 and 77,836.80

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Solution

The fourth proportional to 141,500.37, 195,269.49 and 77,836.80 is: 107,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,500.37 : 195,269.49 = 77,836.80 : x
  2. Step 2: Convert to fraction form
    141,500.37/195,269.49 = 77,836.80/x
  3. Step 3: Cross multiply
    141,500.37x = 195,269.49 × 77,836.80
  4. Step 4: Simplify right side
    141,500.37x = 15,199,152,239.23
  5. Step 5: Solve for x
    x = 15,199,152,239.23/141,500.37
  6. Step 6: Final answer
    x = 107,414.22

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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.