Home / 161,767.05-242,677.31-73,018.59

Finding the Fourth Proportional to 161,767.05, 242,677.31 and 73,018.59

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Solution

The fourth proportional to 161,767.05, 242,677.31 and 73,018.59 is: 109,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,767.05 : 242,677.31 = 73,018.59 : x
  2. Step 2: Convert to fraction form
    161,767.05/242,677.31 = 73,018.59/x
  3. Step 3: Cross multiply
    161,767.05x = 242,677.31 × 73,018.59
  4. Step 4: Simplify right side
    161,767.05x = 17,719,954,636.10
  5. Step 5: Solve for x
    x = 17,719,954,636.10/161,767.05
  6. Step 6: Final answer
    x = 109,539.95

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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.