Home / 167,848.21-251,830.64-74,419.57

Finding the Fourth Proportional to 167,848.21, 251,830.64 and 74,419.57

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Solution

The fourth proportional to 167,848.21, 251,830.64 and 74,419.57 is: 111,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,848.21 : 251,830.64 = 74,419.57 : x
  2. Step 2: Convert to fraction form
    167,848.21/251,830.64 = 74,419.57/x
  3. Step 3: Cross multiply
    167,848.21x = 251,830.64 × 74,419.57
  4. Step 4: Simplify right side
    167,848.21x = 18,741,127,941.62
  5. Step 5: Solve for x
    x = 18,741,127,941.62/167,848.21
  6. Step 6: Final answer
    x = 111,655.21

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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.