Home / 141,453.27-195,205.55-77,795.37

Finding the Fourth Proportional to 141,453.27, 195,205.55 and 77,795.37

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Solution

The fourth proportional to 141,453.27, 195,205.55 and 77,795.37 is: 107,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.27 : 195,205.55 = 77,795.37 : x
  2. Step 2: Convert to fraction form
    141,453.27/195,205.55 = 77,795.37/x
  3. Step 3: Cross multiply
    141,453.27x = 195,205.55 × 77,795.37
  4. Step 4: Simplify right side
    141,453.27x = 15,186,087,599.33
  5. Step 5: Solve for x
    x = 15,186,087,599.33/141,453.27
  6. Step 6: Final answer
    x = 107,357.63

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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.