Home / 122,753.27-184,128.67-42,791.08

Finding the Fourth Proportional to 122,753.27, 184,128.67 and 42,791.08

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Solution

The fourth proportional to 122,753.27, 184,128.67 and 42,791.08 is: 64,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,753.27 : 184,128.67 = 42,791.08 : x
  2. Step 2: Convert to fraction form
    122,753.27/184,128.67 = 42,791.08/x
  3. Step 3: Cross multiply
    122,753.27x = 184,128.67 × 42,791.08
  4. Step 4: Simplify right side
    122,753.27x = 7,879,064,648.26
  5. Step 5: Solve for x
    x = 7,879,064,648.26/122,753.27
  6. Step 6: Final answer
    x = 64,186.19

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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.