Home / 242,702.10-364,006.17-74,181.60

Finding the Fourth Proportional to 242,702.10, 364,006.17 and 74,181.60

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Solution

The fourth proportional to 242,702.10, 364,006.17 and 74,181.60 is: 111,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,702.10 : 364,006.17 = 74,181.60 : x
  2. Step 2: Convert to fraction form
    242,702.10/364,006.17 = 74,181.60/x
  3. Step 3: Cross multiply
    242,702.10x = 364,006.17 × 74,181.60
  4. Step 4: Simplify right side
    242,702.10x = 27,002,560,100.47
  5. Step 5: Solve for x
    x = 27,002,560,100.47/242,702.10
  6. Step 6: Final answer
    x = 111,258.04

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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.