Home / 197,723.67-272,857.22-107,077.53

Finding the Fourth Proportional to 197,723.67, 272,857.22 and 107,077.53

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Solution

The fourth proportional to 197,723.67, 272,857.22 and 107,077.53 is: 147,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,723.67 : 272,857.22 = 107,077.53 : x
  2. Step 2: Convert to fraction form
    197,723.67/272,857.22 = 107,077.53/x
  3. Step 3: Cross multiply
    197,723.67x = 272,857.22 × 107,077.53
  4. Step 4: Simplify right side
    197,723.67x = 29,216,877,816.51
  5. Step 5: Solve for x
    x = 29,216,877,816.51/197,723.67
  6. Step 6: Final answer
    x = 147,766.21

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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.