Home / 167,425.04-251,189.40-78,674.96

Finding the Fourth Proportional to 167,425.04, 251,189.40 and 78,674.96

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Solution

The fourth proportional to 167,425.04, 251,189.40 and 78,674.96 is: 118,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,425.04 : 251,189.40 = 78,674.96 : x
  2. Step 2: Convert to fraction form
    167,425.04/251,189.40 = 78,674.96/x
  3. Step 3: Cross multiply
    167,425.04x = 251,189.40 × 78,674.96
  4. Step 4: Simplify right side
    167,425.04x = 19,762,315,997.42
  5. Step 5: Solve for x
    x = 19,762,315,997.42/167,425.04
  6. Step 6: Final answer
    x = 118,036.80

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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.