Home / 281,666.20-422,455.10-92,125.04

Finding the Fourth Proportional to 281,666.20, 422,455.10 and 92,125.04

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Solution

The fourth proportional to 281,666.20, 422,455.10 and 92,125.04 is: 138,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,666.20 : 422,455.10 = 92,125.04 : x
  2. Step 2: Convert to fraction form
    281,666.20/422,455.10 = 92,125.04/x
  3. Step 3: Cross multiply
    281,666.20x = 422,455.10 × 92,125.04
  4. Step 4: Simplify right side
    281,666.20x = 38,918,692,985.70
  5. Step 5: Solve for x
    x = 38,918,692,985.70/281,666.20
  6. Step 6: Final answer
    x = 138,173.10

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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.