Home / 197,134.26-272,045.04-106,490.21

Finding the Fourth Proportional to 197,134.26, 272,045.04 and 106,490.21

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Solution

The fourth proportional to 197,134.26, 272,045.04 and 106,490.21 is: 146,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,134.26 : 272,045.04 = 106,490.21 : x
  2. Step 2: Convert to fraction form
    197,134.26/272,045.04 = 106,490.21/x
  3. Step 3: Cross multiply
    197,134.26x = 272,045.04 × 106,490.21
  4. Step 4: Simplify right side
    197,134.26x = 28,970,133,439.06
  5. Step 5: Solve for x
    x = 28,970,133,439.06/197,134.26
  6. Step 6: Final answer
    x = 146,956.36

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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.