Home / 149,773.92-206,671.05-86,132.22

Finding the Fourth Proportional to 149,773.92, 206,671.05 and 86,132.22

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Solution

The fourth proportional to 149,773.92, 206,671.05 and 86,132.22 is: 118,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.92 : 206,671.05 = 86,132.22 : x
  2. Step 2: Convert to fraction form
    149,773.92/206,671.05 = 86,132.22/x
  3. Step 3: Cross multiply
    149,773.92x = 206,671.05 × 86,132.22
  4. Step 4: Simplify right side
    149,773.92x = 17,801,036,346.23
  5. Step 5: Solve for x
    x = 17,801,036,346.23/149,773.92
  6. Step 6: Final answer
    x = 118,852.71

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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.