Home / 149,135.48-223,703.22-122,784.86

Finding the Fourth Proportional to 149,135.48, 223,703.22 and 122,784.86

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Solution

The fourth proportional to 149,135.48, 223,703.22 and 122,784.86 is: 184,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,135.48 : 223,703.22 = 122,784.86 : x
  2. Step 2: Convert to fraction form
    149,135.48/223,703.22 = 122,784.86/x
  3. Step 3: Cross multiply
    149,135.48x = 223,703.22 × 122,784.86
  4. Step 4: Simplify right side
    149,135.48x = 27,467,367,430.73
  5. Step 5: Solve for x
    x = 27,467,367,430.73/149,135.48
  6. Step 6: Final answer
    x = 184,177.29

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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.