Home / 115,150.64-158,907.24-64,163.60

Finding the Fourth Proportional to 115,150.64, 158,907.24 and 64,163.60

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Solution

The fourth proportional to 115,150.64, 158,907.24 and 64,163.60 is: 88,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.64 : 158,907.24 = 64,163.60 : x
  2. Step 2: Convert to fraction form
    115,150.64/158,907.24 = 64,163.60/x
  3. Step 3: Cross multiply
    115,150.64x = 158,907.24 × 64,163.60
  4. Step 4: Simplify right side
    115,150.64x = 10,196,060,584.46
  5. Step 5: Solve for x
    x = 10,196,060,584.46/115,150.64
  6. Step 6: Final answer
    x = 88,545.41

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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.