Home / 171,436.50-236,589.66-99,804.96

Finding the Fourth Proportional to 171,436.50, 236,589.66 and 99,804.96

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Solution

The fourth proportional to 171,436.50, 236,589.66 and 99,804.96 is: 137,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,436.50 : 236,589.66 = 99,804.96 : x
  2. Step 2: Convert to fraction form
    171,436.50/236,589.66 = 99,804.96/x
  3. Step 3: Cross multiply
    171,436.50x = 236,589.66 × 99,804.96
  4. Step 4: Simplify right side
    171,436.50x = 23,612,821,552.71
  5. Step 5: Solve for x
    x = 23,612,821,552.71/171,436.50
  6. Step 6: Final answer
    x = 137,735.09

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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.