Home / 161,837.88-242,833.86-73,118.52

Finding the Fourth Proportional to 161,837.88, 242,833.86 and 73,118.52

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Solution

The fourth proportional to 161,837.88, 242,833.86 and 73,118.52 is: 109,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,837.88 : 242,833.86 = 73,118.52 : x
  2. Step 2: Convert to fraction form
    161,837.88/242,833.86 = 73,118.52/x
  3. Step 3: Cross multiply
    161,837.88x = 242,833.86 × 73,118.52
  4. Step 4: Simplify right side
    161,837.88x = 17,755,652,449.09
  5. Step 5: Solve for x
    x = 17,755,652,449.09/161,837.88
  6. Step 6: Final answer
    x = 109,712.59

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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.