Home / 120,240.33-165,936.54-66,524.47

Finding the Fourth Proportional to 120,240.33, 165,936.54 and 66,524.47

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Solution

The fourth proportional to 120,240.33, 165,936.54 and 66,524.47 is: 91,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,240.33 : 165,936.54 = 66,524.47 : x
  2. Step 2: Convert to fraction form
    120,240.33/165,936.54 = 66,524.47/x
  3. Step 3: Cross multiply
    120,240.33x = 165,936.54 × 66,524.47
  4. Step 4: Simplify right side
    120,240.33x = 11,038,840,044.51
  5. Step 5: Solve for x
    x = 11,038,840,044.51/120,240.33
  6. Step 6: Final answer
    x = 91,806.47

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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.