Home / 122,333.56-169,153.32-106,587.16

Finding the Fourth Proportional to 122,333.56, 169,153.32 and 106,587.16

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Solution

The fourth proportional to 122,333.56, 169,153.32 and 106,587.16 is: 147,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,333.56 : 169,153.32 = 106,587.16 : x
  2. Step 2: Convert to fraction form
    122,333.56/169,153.32 = 106,587.16/x
  3. Step 3: Cross multiply
    122,333.56x = 169,153.32 × 106,587.16
  4. Step 4: Simplify right side
    122,333.56x = 18,029,571,983.37
  5. Step 5: Solve for x
    x = 18,029,571,983.37/122,333.56
  6. Step 6: Final answer
    x = 147,380.42

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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.