Home / 109,920.96-151,690.91-62,173.26

Finding the Fourth Proportional to 109,920.96, 151,690.91 and 62,173.26

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Solution

The fourth proportional to 109,920.96, 151,690.91 and 62,173.26 is: 85,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.96 : 151,690.91 = 62,173.26 : x
  2. Step 2: Convert to fraction form
    109,920.96/151,690.91 = 62,173.26/x
  3. Step 3: Cross multiply
    109,920.96x = 151,690.91 × 62,173.26
  4. Step 4: Simplify right side
    109,920.96x = 9,431,118,076.20
  5. Step 5: Solve for x
    x = 9,431,118,076.20/109,920.96
  6. Step 6: Final answer
    x = 85,799.09

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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.