Home / 122,557.62-169,116.33-68,848.56

Finding the Fourth Proportional to 122,557.62, 169,116.33 and 68,848.56

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Solution

The fourth proportional to 122,557.62, 169,116.33 and 68,848.56 is: 95,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,557.62 : 169,116.33 = 68,848.56 : x
  2. Step 2: Convert to fraction form
    122,557.62/169,116.33 = 68,848.56/x
  3. Step 3: Cross multiply
    122,557.62x = 169,116.33 × 68,848.56
  4. Step 4: Simplify right side
    122,557.62x = 11,643,415,792.98
  5. Step 5: Solve for x
    x = 11,643,415,792.98/122,557.62
  6. Step 6: Final answer
    x = 95,003.61

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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.