Home / 149,542.12-223,991.42-70,537.96

Finding the Fourth Proportional to 149,542.12, 223,991.42 and 70,537.96

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Solution

The fourth proportional to 149,542.12, 223,991.42 and 70,537.96 is: 105,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542.12 : 223,991.42 = 70,537.96 : x
  2. Step 2: Convert to fraction form
    149,542.12/223,991.42 = 70,537.96/x
  3. Step 3: Cross multiply
    149,542.12x = 223,991.42 × 70,537.96
  4. Step 4: Simplify right side
    149,542.12x = 15,799,897,824.30
  5. Step 5: Solve for x
    x = 15,799,897,824.30/149,542.12
  6. Step 6: Final answer
    x = 105,655.17

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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.