Home / 167,695.40-231,398.60-113,365.75

Finding the Fourth Proportional to 167,695.40, 231,398.60 and 113,365.75

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Solution

The fourth proportional to 167,695.40, 231,398.60 and 113,365.75 is: 156,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,695.40 : 231,398.60 = 113,365.75 : x
  2. Step 2: Convert to fraction form
    167,695.40/231,398.60 = 113,365.75/x
  3. Step 3: Cross multiply
    167,695.40x = 231,398.60 × 113,365.75
  4. Step 4: Simplify right side
    167,695.40x = 26,232,674,692.62
  5. Step 5: Solve for x
    x = 26,232,674,692.62/167,695.40
  6. Step 6: Final answer
    x = 156,430.49

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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.