Home / 161,974.13-242,961.22-83,038.01

Finding the Fourth Proportional to 161,974.13, 242,961.22 and 83,038.01

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Solution

The fourth proportional to 161,974.13, 242,961.22 and 83,038.01 is: 124,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,974.13 : 242,961.22 = 83,038.01 : x
  2. Step 2: Convert to fraction form
    161,974.13/242,961.22 = 83,038.01/x
  3. Step 3: Cross multiply
    161,974.13x = 242,961.22 × 83,038.01
  4. Step 4: Simplify right side
    161,974.13x = 20,175,016,471.62
  5. Step 5: Solve for x
    x = 20,175,016,471.62/161,974.13
  6. Step 6: Final answer
    x = 124,557.03

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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.