Home / 115,546.24-159,522.56-73,141.12

Finding the Fourth Proportional to 115,546.24, 159,522.56 and 73,141.12

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Solution

The fourth proportional to 115,546.24, 159,522.56 and 73,141.12 is: 100,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,546.24 : 159,522.56 = 73,141.12 : x
  2. Step 2: Convert to fraction form
    115,546.24/159,522.56 = 73,141.12/x
  3. Step 3: Cross multiply
    115,546.24x = 159,522.56 × 73,141.12
  4. Step 4: Simplify right side
    115,546.24x = 11,667,658,703.67
  5. Step 5: Solve for x
    x = 11,667,658,703.67/115,546.24
  6. Step 6: Final answer
    x = 100,978.26

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1.5x scale

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.