Home / 197,687.48-272,809.23-107,044.57

Finding the Fourth Proportional to 197,687.48, 272,809.23 and 107,044.57

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Solution

The fourth proportional to 197,687.48, 272,809.23 and 107,044.57 is: 147,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,687.48 : 272,809.23 = 107,044.57 : x
  2. Step 2: Convert to fraction form
    197,687.48/272,809.23 = 107,044.57/x
  3. Step 3: Cross multiply
    197,687.48x = 272,809.23 × 107,044.57
  4. Step 4: Simplify right side
    197,687.48x = 29,202,745,353.34
  5. Step 5: Solve for x
    x = 29,202,745,353.34/197,687.48
  6. Step 6: Final answer
    x = 147,721.77

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1.5x scale

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.