Home / 117,525.24-162,181.92-67,221

Finding the Fourth Proportional to 117,525.24, 162,181.92 and 67,221

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Solution

The fourth proportional to 117,525.24, 162,181.92 and 67,221 is: 92,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,525.24 : 162,181.92 = 67,221 : x
  2. Step 2: Convert to fraction form
    117,525.24/162,181.92 = 67,221/x
  3. Step 3: Cross multiply
    117,525.24x = 162,181.92 × 67,221
  4. Step 4: Simplify right side
    117,525.24x = 10,902,030,844.32
  5. Step 5: Solve for x
    x = 10,902,030,844.32/117,525.24
  6. Step 6: Final answer
    x = 92,763.31

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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.