Home / 197,416.52-272,433.93-106,772.59

Finding the Fourth Proportional to 197,416.52, 272,433.93 and 106,772.59

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Solution

The fourth proportional to 197,416.52, 272,433.93 and 106,772.59 is: 147,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,416.52 : 272,433.93 = 106,772.59 : x
  2. Step 2: Convert to fraction form
    197,416.52/272,433.93 = 106,772.59/x
  3. Step 3: Cross multiply
    197,416.52x = 272,433.93 × 106,772.59
  4. Step 4: Simplify right side
    197,416.52x = 29,088,476,850.72
  5. Step 5: Solve for x
    x = 29,088,476,850.72/197,416.52
  6. Step 6: Final answer
    x = 147,345.71

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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.