Home / 140,073.98-193,304.07-79,644.47

Finding the Fourth Proportional to 140,073.98, 193,304.07 and 79,644.47

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Solution

The fourth proportional to 140,073.98, 193,304.07 and 79,644.47 is: 109,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,073.98 : 193,304.07 = 79,644.47 : x
  2. Step 2: Convert to fraction form
    140,073.98/193,304.07 = 79,644.47/x
  3. Step 3: Cross multiply
    140,073.98x = 193,304.07 × 79,644.47
  4. Step 4: Simplify right side
    140,073.98x = 15,395,599,237.47
  5. Step 5: Solve for x
    x = 15,395,599,237.47/140,073.98
  6. Step 6: Final answer
    x = 109,910.49

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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.