Home / 148,939.56-205,635.58-114,422.82

Finding the Fourth Proportional to 148,939.56, 205,635.58 and 114,422.82

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Solution

The fourth proportional to 148,939.56, 205,635.58 and 114,422.82 is: 157,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.56 : 205,635.58 = 114,422.82 : x
  2. Step 2: Convert to fraction form
    148,939.56/205,635.58 = 114,422.82/x
  3. Step 3: Cross multiply
    148,939.56x = 205,635.58 × 114,422.82
  4. Step 4: Simplify right side
    148,939.56x = 23,529,402,955.94
  5. Step 5: Solve for x
    x = 23,529,402,955.94/148,939.56
  6. Step 6: Final answer
    x = 157,979.54

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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.