Home / 161,719.05-242,578.58-154,461.45

Finding the Fourth Proportional to 161,719.05, 242,578.58 and 154,461.45

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Solution

The fourth proportional to 161,719.05, 242,578.58 and 154,461.45 is: 231,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,719.05 : 242,578.58 = 154,461.45 : x
  2. Step 2: Convert to fraction form
    161,719.05/242,578.58 = 154,461.45/x
  3. Step 3: Cross multiply
    161,719.05x = 242,578.58 × 154,461.45
  4. Step 4: Simplify right side
    161,719.05x = 37,469,038,433.43
  5. Step 5: Solve for x
    x = 37,469,038,433.43/161,719.05
  6. Step 6: Final answer
    x = 231,692.18

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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.