Home / 197,470.16-272,507.58-106,825.76

Finding the Fourth Proportional to 197,470.16, 272,507.58 and 106,825.76

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Solution

The fourth proportional to 197,470.16, 272,507.58 and 106,825.76 is: 147,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,470.16 : 272,507.58 = 106,825.76 : x
  2. Step 2: Convert to fraction form
    197,470.16/272,507.58 = 106,825.76/x
  3. Step 3: Cross multiply
    197,470.16x = 272,507.58 × 106,825.76
  4. Step 4: Simplify right side
    197,470.16x = 29,110,827,976.72
  5. Step 5: Solve for x
    x = 29,110,827,976.72/197,470.16
  6. Step 6: Final answer
    x = 147,418.87

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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.