Home / 161,954.18-242,433-105,673.10

Finding the Fourth Proportional to 161,954.18, 242,433 and 105,673.10

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Solution

The fourth proportional to 161,954.18, 242,433 and 105,673.10 is: 158,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,954.18 : 242,433 = 105,673.10 : x
  2. Step 2: Convert to fraction form
    161,954.18/242,433 = 105,673.10/x
  3. Step 3: Cross multiply
    161,954.18x = 242,433 × 105,673.10
  4. Step 4: Simplify right side
    161,954.18x = 25,618,646,652.30
  5. Step 5: Solve for x
    x = 25,618,646,652.30/161,954.18
  6. Step 6: Final answer
    x = 158,184.53

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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.