Home / 161,711.10-242,566.65-102,662.10

Finding the Fourth Proportional to 161,711.10, 242,566.65 and 102,662.10

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Solution

The fourth proportional to 161,711.10, 242,566.65 and 102,662.10 is: 153,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.10 : 242,566.65 = 102,662.10 : x
  2. Step 2: Convert to fraction form
    161,711.10/242,566.65 = 102,662.10/x
  3. Step 3: Cross multiply
    161,711.10x = 242,566.65 × 102,662.10
  4. Step 4: Simplify right side
    161,711.10x = 24,902,401,678.97
  5. Step 5: Solve for x
    x = 24,902,401,678.97/161,711.10
  6. Step 6: Final answer
    x = 153,993.15

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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.