Home / 197,663.94-272,776.40-107,019.96

Finding the Fourth Proportional to 197,663.94, 272,776.40 and 107,019.96

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Solution

The fourth proportional to 197,663.94, 272,776.40 and 107,019.96 is: 147,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,663.94 : 272,776.40 = 107,019.96 : x
  2. Step 2: Convert to fraction form
    197,663.94/272,776.40 = 107,019.96/x
  3. Step 3: Cross multiply
    197,663.94x = 272,776.40 × 107,019.96
  4. Step 4: Simplify right side
    197,663.94x = 29,192,518,881.84
  5. Step 5: Solve for x
    x = 29,192,518,881.84/197,663.94
  6. Step 6: Final answer
    x = 147,687.63

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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.