Home / 122,702.40-184,053.72-38,469.18

Finding the Fourth Proportional to 122,702.40, 184,053.72 and 38,469.18

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Solution

The fourth proportional to 122,702.40, 184,053.72 and 38,469.18 is: 57,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,702.40 : 184,053.72 = 38,469.18 : x
  2. Step 2: Convert to fraction form
    122,702.40/184,053.72 = 38,469.18/x
  3. Step 3: Cross multiply
    122,702.40x = 184,053.72 × 38,469.18
  4. Step 4: Simplify right side
    122,702.40x = 7,080,395,684.35
  5. Step 5: Solve for x
    x = 7,080,395,684.35/122,702.40
  6. Step 6: Final answer
    x = 57,703.81

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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.