Home / 171,049.80-236,060.28-99,429.60

Finding the Fourth Proportional to 171,049.80, 236,060.28 and 99,429.60

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Solution

The fourth proportional to 171,049.80, 236,060.28 and 99,429.60 is: 137,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,049.80 : 236,060.28 = 99,429.60 : x
  2. Step 2: Convert to fraction form
    171,049.80/236,060.28 = 99,429.60/x
  3. Step 3: Cross multiply
    171,049.80x = 236,060.28 × 99,429.60
  4. Step 4: Simplify right side
    171,049.80x = 23,471,379,216.29
  5. Step 5: Solve for x
    x = 23,471,379,216.29/171,049.80
  6. Step 6: Final answer
    x = 137,219.57

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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.