Home / 141,518.69-195,295.79-77,855.12

Finding the Fourth Proportional to 141,518.69, 195,295.79 and 77,855.12

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Solution

The fourth proportional to 141,518.69, 195,295.79 and 77,855.12 is: 107,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.69 : 195,295.79 = 77,855.12 : x
  2. Step 2: Convert to fraction form
    141,518.69/195,295.79 = 77,855.12/x
  3. Step 3: Cross multiply
    141,518.69x = 195,295.79 × 77,855.12
  4. Step 4: Simplify right side
    141,518.69x = 15,204,777,165.94
  5. Step 5: Solve for x
    x = 15,204,777,165.94/141,518.69
  6. Step 6: Final answer
    x = 107,440.06

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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.