Home / 197,490.84-272,530.62-112,635.24

Finding the Fourth Proportional to 197,490.84, 272,530.62 and 112,635.24

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Solution

The fourth proportional to 197,490.84, 272,530.62 and 112,635.24 is: 155,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,490.84 : 272,530.62 = 112,635.24 : x
  2. Step 2: Convert to fraction form
    197,490.84/272,530.62 = 112,635.24/x
  3. Step 3: Cross multiply
    197,490.84x = 272,530.62 × 112,635.24
  4. Step 4: Simplify right side
    197,490.84x = 30,696,551,791.05
  5. Step 5: Solve for x
    x = 30,696,551,791.05/197,490.84
  6. Step 6: Final answer
    x = 155,432.79

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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.