Home / 141,486.49-195,252.99-77,824.75

Finding the Fourth Proportional to 141,486.49, 195,252.99 and 77,824.75

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Solution

The fourth proportional to 141,486.49, 195,252.99 and 77,824.75 is: 107,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,486.49 : 195,252.99 = 77,824.75 : x
  2. Step 2: Convert to fraction form
    141,486.49/195,252.99 = 77,824.75/x
  3. Step 3: Cross multiply
    141,486.49x = 195,252.99 × 77,824.75
  4. Step 4: Simplify right side
    141,486.49x = 15,195,515,133.50
  5. Step 5: Solve for x
    x = 15,195,515,133.50/141,486.49
  6. Step 6: Final answer
    x = 107,399.05

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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.