Home / 167,524.10-251,330.70-72,713.60

Finding the Fourth Proportional to 167,524.10, 251,330.70 and 72,713.60

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Solution

The fourth proportional to 167,524.10, 251,330.70 and 72,713.60 is: 109,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,524.10 : 251,330.70 = 72,713.60 : x
  2. Step 2: Convert to fraction form
    167,524.10/251,330.70 = 72,713.60/x
  3. Step 3: Cross multiply
    167,524.10x = 251,330.70 × 72,713.60
  4. Step 4: Simplify right side
    167,524.10x = 18,275,159,987.52
  5. Step 5: Solve for x
    x = 18,275,159,987.52/167,524.10
  6. Step 6: Final answer
    x = 109,089.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.