Home / 141,518.81-195,295.96-77,855.24

Finding the Fourth Proportional to 141,518.81, 195,295.96 and 77,855.24

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Solution

The fourth proportional to 141,518.81, 195,295.96 and 77,855.24 is: 107,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.81 : 195,295.96 = 77,855.24 : x
  2. Step 2: Convert to fraction form
    141,518.81/195,295.96 = 77,855.24/x
  3. Step 3: Cross multiply
    141,518.81x = 195,295.96 × 77,855.24
  4. Step 4: Simplify right side
    141,518.81x = 15,204,814,422.39
  5. Step 5: Solve for x
    x = 15,204,814,422.39/141,518.81
  6. Step 6: Final answer
    x = 107,440.23

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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.