Home / 168,130.85-232,015.94-91,651.43

Finding the Fourth Proportional to 168,130.85, 232,015.94 and 91,651.43

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Solution

The fourth proportional to 168,130.85, 232,015.94 and 91,651.43 is: 126,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,130.85 : 232,015.94 = 91,651.43 : x
  2. Step 2: Convert to fraction form
    168,130.85/232,015.94 = 91,651.43/x
  3. Step 3: Cross multiply
    168,130.85x = 232,015.94 × 91,651.43
  4. Step 4: Simplify right side
    168,130.85x = 21,264,591,065.46
  5. Step 5: Solve for x
    x = 21,264,591,065.46/168,130.85
  6. Step 6: Final answer
    x = 126,476.44

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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.