Home / 122,684.10-184,026.15-80,693.70

Finding the Fourth Proportional to 122,684.10, 184,026.15 and 80,693.70

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Solution

The fourth proportional to 122,684.10, 184,026.15 and 80,693.70 is: 121,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.10 : 184,026.15 = 80,693.70 : x
  2. Step 2: Convert to fraction form
    122,684.10/184,026.15 = 80,693.70/x
  3. Step 3: Cross multiply
    122,684.10x = 184,026.15 × 80,693.70
  4. Step 4: Simplify right side
    122,684.10x = 14,849,750,940.26
  5. Step 5: Solve for x
    x = 14,849,750,940.26/122,684.10
  6. Step 6: Final answer
    x = 121,040.55

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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.