Home / 197,663.62-272,775.96-107,019.65

Finding the Fourth Proportional to 197,663.62, 272,775.96 and 107,019.65

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Solution

The fourth proportional to 197,663.62, 272,775.96 and 107,019.65 is: 147,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,663.62 : 272,775.96 = 107,019.65 : x
  2. Step 2: Convert to fraction form
    197,663.62/272,775.96 = 107,019.65/x
  3. Step 3: Cross multiply
    197,663.62x = 272,775.96 × 107,019.65
  4. Step 4: Simplify right side
    197,663.62x = 29,192,387,767.61
  5. Step 5: Solve for x
    x = 29,192,387,767.61/197,663.62
  6. Step 6: Final answer
    x = 147,687.21

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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.