Home / 122,141.48-184,044.24-100,440.96

Finding the Fourth Proportional to 122,141.48, 184,044.24 and 100,440.96

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Solution

The fourth proportional to 122,141.48, 184,044.24 and 100,440.96 is: 151,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141.48 : 184,044.24 = 100,440.96 : x
  2. Step 2: Convert to fraction form
    122,141.48/184,044.24 = 100,440.96/x
  3. Step 3: Cross multiply
    122,141.48x = 184,044.24 × 100,440.96
  4. Step 4: Simplify right side
    122,141.48x = 18,485,580,148.07
  5. Step 5: Solve for x
    x = 18,485,580,148.07/122,141.48
  6. Step 6: Final answer
    x = 151,345.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.