Home / 149,917.86-224,765.58-90,739.65

Finding the Fourth Proportional to 149,917.86, 224,765.58 and 90,739.65

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Solution

The fourth proportional to 149,917.86, 224,765.58 and 90,739.65 is: 136,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,917.86 : 224,765.58 = 90,739.65 : x
  2. Step 2: Convert to fraction form
    149,917.86/224,765.58 = 90,739.65/x
  3. Step 3: Cross multiply
    149,917.86x = 224,765.58 × 90,739.65
  4. Step 4: Simplify right side
    149,917.86x = 20,395,150,061.25
  5. Step 5: Solve for x
    x = 20,395,150,061.25/149,917.86
  6. Step 6: Final answer
    x = 136,042.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.