Home / 161,504.14-242,077.80-66,682.04

Finding the Fourth Proportional to 161,504.14, 242,077.80 and 66,682.04

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Solution

The fourth proportional to 161,504.14, 242,077.80 and 66,682.04 is: 99,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504.14 : 242,077.80 = 66,682.04 : x
  2. Step 2: Convert to fraction form
    161,504.14/242,077.80 = 66,682.04/x
  3. Step 3: Cross multiply
    161,504.14x = 242,077.80 × 66,682.04
  4. Step 4: Simplify right side
    161,504.14x = 16,142,242,147.91
  5. Step 5: Solve for x
    x = 16,142,242,147.91/161,504.14
  6. Step 6: Final answer
    x = 99,949.40

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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.