Home / 120,192.24-165,858.48-66,474.12

Finding the Fourth Proportional to 120,192.24, 165,858.48 and 66,474.12

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Solution

The fourth proportional to 120,192.24, 165,858.48 and 66,474.12 is: 91,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,192.24 : 165,858.48 = 66,474.12 : x
  2. Step 2: Convert to fraction form
    120,192.24/165,858.48 = 66,474.12/x
  3. Step 3: Cross multiply
    120,192.24x = 165,858.48 × 66,474.12
  4. Step 4: Simplify right side
    120,192.24x = 11,025,296,502.54
  5. Step 5: Solve for x
    x = 11,025,296,502.54/120,192.24
  6. Step 6: Final answer
    x = 91,730.52

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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.