Home / 122,659.46-169,274.85-68,944.31

Finding the Fourth Proportional to 122,659.46, 169,274.85 and 68,944.31

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Solution

The fourth proportional to 122,659.46, 169,274.85 and 68,944.31 is: 95,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,659.46 : 169,274.85 = 68,944.31 : x
  2. Step 2: Convert to fraction form
    122,659.46/169,274.85 = 68,944.31/x
  3. Step 3: Cross multiply
    122,659.46x = 169,274.85 × 68,944.31
  4. Step 4: Simplify right side
    122,659.46x = 11,670,536,887.23
  5. Step 5: Solve for x
    x = 11,670,536,887.23/122,659.46
  6. Step 6: Final answer
    x = 95,145.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.