Home / 117,918.24-162,722-64,203.44

Finding the Fourth Proportional to 117,918.24, 162,722 and 64,203.44

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Solution

The fourth proportional to 117,918.24, 162,722 and 64,203.44 is: 88,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.24 : 162,722 = 64,203.44 : x
  2. Step 2: Convert to fraction form
    117,918.24/162,722 = 64,203.44/x
  3. Step 3: Cross multiply
    117,918.24x = 162,722 × 64,203.44
  4. Step 4: Simplify right side
    117,918.24x = 10,447,312,163.68
  5. Step 5: Solve for x
    x = 10,447,312,163.68/117,918.24
  6. Step 6: Final answer
    x = 88,597.93

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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.