Home / 171,505.80-236,677.50-98,908.38

Finding the Fourth Proportional to 171,505.80, 236,677.50 and 98,908.38

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Solution

The fourth proportional to 171,505.80, 236,677.50 and 98,908.38 is: 136,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,505.80 : 236,677.50 = 98,908.38 : x
  2. Step 2: Convert to fraction form
    171,505.80/236,677.50 = 98,908.38/x
  3. Step 3: Cross multiply
    171,505.80x = 236,677.50 × 98,908.38
  4. Step 4: Simplify right side
    171,505.80x = 23,409,388,107.45
  5. Step 5: Solve for x
    x = 23,409,388,107.45/171,505.80
  6. Step 6: Final answer
    x = 136,493.27

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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.