Home / 122,837.60-184,256.40-39,731.60

Finding the Fourth Proportional to 122,837.60, 184,256.40 and 39,731.60

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Solution

The fourth proportional to 122,837.60, 184,256.40 and 39,731.60 is: 59,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,837.60 : 184,256.40 = 39,731.60 : x
  2. Step 2: Convert to fraction form
    122,837.60/184,256.40 = 39,731.60/x
  3. Step 3: Cross multiply
    122,837.60x = 184,256.40 × 39,731.60
  4. Step 4: Simplify right side
    122,837.60x = 7,320,801,582.24
  5. Step 5: Solve for x
    x = 7,320,801,582.24/122,837.60
  6. Step 6: Final answer
    x = 59,597.40

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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.