Home / 114,274.13-157,645.96-74,000.86

Finding the Fourth Proportional to 114,274.13, 157,645.96 and 74,000.86

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Solution

The fourth proportional to 114,274.13, 157,645.96 and 74,000.86 is: 102,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,274.13 : 157,645.96 = 74,000.86 : x
  2. Step 2: Convert to fraction form
    114,274.13/157,645.96 = 74,000.86/x
  3. Step 3: Cross multiply
    114,274.13x = 157,645.96 × 74,000.86
  4. Step 4: Simplify right side
    114,274.13x = 11,665,936,452.66
  5. Step 5: Solve for x
    x = 11,665,936,452.66/114,274.13
  6. Step 6: Final answer
    x = 102,087.30

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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.