Home / 197,654.40-272,763.72-107,010.36

Finding the Fourth Proportional to 197,654.40, 272,763.72 and 107,010.36

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Solution

The fourth proportional to 197,654.40, 272,763.72 and 107,010.36 is: 147,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,654.40 : 272,763.72 = 107,010.36 : x
  2. Step 2: Convert to fraction form
    197,654.40/272,763.72 = 107,010.36/x
  3. Step 3: Cross multiply
    197,654.40x = 272,763.72 × 107,010.36
  4. Step 4: Simplify right side
    197,654.40x = 29,188,543,872.14
  5. Step 5: Solve for x
    x = 29,188,543,872.14/197,654.40
  6. Step 6: Final answer
    x = 147,674.65

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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.