Home / 147,759.40-203,769.57-117,644.14

Finding the Fourth Proportional to 147,759.40, 203,769.57 and 117,644.14

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Solution

The fourth proportional to 147,759.40, 203,769.57 and 117,644.14 is: 162,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,759.40 : 203,769.57 = 117,644.14 : x
  2. Step 2: Convert to fraction form
    147,759.40/203,769.57 = 117,644.14/x
  3. Step 3: Cross multiply
    147,759.40x = 203,769.57 × 117,644.14
  4. Step 4: Simplify right side
    147,759.40x = 23,972,295,820.82
  5. Step 5: Solve for x
    x = 23,972,295,820.82/147,759.40
  6. Step 6: Final answer
    x = 162,238.72

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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.