Home / 197,592.45-272,652.17-112,704.45

Finding the Fourth Proportional to 197,592.45, 272,652.17 and 112,704.45

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Solution

The fourth proportional to 197,592.45, 272,652.17 and 112,704.45 is: 155,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,592.45 : 272,652.17 = 112,704.45 : x
  2. Step 2: Convert to fraction form
    197,592.45/272,652.17 = 112,704.45/x
  3. Step 3: Cross multiply
    197,592.45x = 272,652.17 × 112,704.45
  4. Step 4: Simplify right side
    197,592.45x = 30,729,111,779.66
  5. Step 5: Solve for x
    x = 30,729,111,779.66/197,592.45
  6. Step 6: Final answer
    x = 155,517.65

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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.