Home / 161,828.88-242,820.36-73,109.52

Finding the Fourth Proportional to 161,828.88, 242,820.36 and 73,109.52

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Solution

The fourth proportional to 161,828.88, 242,820.36 and 73,109.52 is: 109,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828.88 : 242,820.36 = 73,109.52 : x
  2. Step 2: Convert to fraction form
    161,828.88/242,820.36 = 73,109.52/x
  3. Step 3: Cross multiply
    161,828.88x = 242,820.36 × 73,109.52
  4. Step 4: Simplify right side
    161,828.88x = 17,752,479,965.83
  5. Step 5: Solve for x
    x = 17,752,479,965.83/161,828.88
  6. Step 6: Final answer
    x = 109,699.08

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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.