Home / 122,740.52-184,129.00-38,507.60

Finding the Fourth Proportional to 122,740.52, 184,129.00 and 38,507.60

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Solution

The fourth proportional to 122,740.52, 184,129.00 and 38,507.60 is: 57,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,740.52 : 184,129.00 = 38,507.60 : x
  2. Step 2: Convert to fraction form
    122,740.52/184,129.00 = 38,507.60/x
  3. Step 3: Cross multiply
    122,740.52x = 184,129.00 × 38,507.60
  4. Step 4: Simplify right side
    122,740.52x = 7,090,366,244.45
  5. Step 5: Solve for x
    x = 7,090,366,244.45/122,740.52
  6. Step 6: Final answer
    x = 57,767.12

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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.