Home / 122,690.32-184,037.34-80,838.46

Finding the Fourth Proportional to 122,690.32, 184,037.34 and 80,838.46

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Solution

The fourth proportional to 122,690.32, 184,037.34 and 80,838.46 is: 121,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,690.32 : 184,037.34 = 80,838.46 : x
  2. Step 2: Convert to fraction form
    122,690.32/184,037.34 = 80,838.46/x
  3. Step 3: Cross multiply
    122,690.32x = 184,037.34 × 80,838.46
  4. Step 4: Simplify right side
    122,690.32x = 14,877,295,148.10
  5. Step 5: Solve for x
    x = 14,877,295,148.10/122,690.32
  6. Step 6: Final answer
    x = 121,258.92

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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.