Home / 197,221.08-272,164.96-106,577

Finding the Fourth Proportional to 197,221.08, 272,164.96 and 106,577

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Solution

The fourth proportional to 197,221.08, 272,164.96 and 106,577 is: 147,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,221.08 : 272,164.96 = 106,577 : x
  2. Step 2: Convert to fraction form
    197,221.08/272,164.96 = 106,577/x
  3. Step 3: Cross multiply
    197,221.08x = 272,164.96 × 106,577
  4. Step 4: Simplify right side
    197,221.08x = 29,006,524,941.92
  5. Step 5: Solve for x
    x = 29,006,524,941.92/197,221.08
  6. Step 6: Final answer
    x = 147,076.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.