Home / 197,720.13-296,518.91-71,344.03

Finding the Fourth Proportional to 197,720.13, 296,518.91 and 71,344.03

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Solution

The fourth proportional to 197,720.13, 296,518.91 and 71,344.03 is: 106,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,720.13 : 296,518.91 = 71,344.03 : x
  2. Step 2: Convert to fraction form
    197,720.13/296,518.91 = 71,344.03/x
  3. Step 3: Cross multiply
    197,720.13x = 296,518.91 × 71,344.03
  4. Step 4: Simplify right side
    197,720.13x = 21,154,854,010.61
  5. Step 5: Solve for x
    x = 21,154,854,010.61/197,720.13
  6. Step 6: Final answer
    x = 106,993.93

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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.