Home / 149,228.48-205,873.60-88,787.04

Finding the Fourth Proportional to 149,228.48, 205,873.60 and 88,787.04

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Solution

The fourth proportional to 149,228.48, 205,873.60 and 88,787.04 is: 122,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,228.48 : 205,873.60 = 88,787.04 : x
  2. Step 2: Convert to fraction form
    149,228.48/205,873.60 = 88,787.04/x
  3. Step 3: Cross multiply
    149,228.48x = 205,873.60 × 88,787.04
  4. Step 4: Simplify right side
    149,228.48x = 18,278,907,558.14
  5. Step 5: Solve for x
    x = 18,278,907,558.14/149,228.48
  6. Step 6: Final answer
    x = 122,489.40

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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.