Home / 114,708.50-158,229.09-72,193.22

Finding the Fourth Proportional to 114,708.50, 158,229.09 and 72,193.22

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Solution

The fourth proportional to 114,708.50, 158,229.09 and 72,193.22 is: 99,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.50 : 158,229.09 = 72,193.22 : x
  2. Step 2: Convert to fraction form
    114,708.50/158,229.09 = 72,193.22/x
  3. Step 3: Cross multiply
    114,708.50x = 158,229.09 × 72,193.22
  4. Step 4: Simplify right side
    114,708.50x = 11,423,067,504.77
  5. Step 5: Solve for x
    x = 11,423,067,504.77/114,708.50
  6. Step 6: Final answer
    x = 99,583.44

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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.