Home / 122,648.96-169,256.04-68,936.24

Finding the Fourth Proportional to 122,648.96, 169,256.04 and 68,936.24

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Solution

The fourth proportional to 122,648.96, 169,256.04 and 68,936.24 is: 95,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,648.96 : 169,256.04 = 68,936.24 : x
  2. Step 2: Convert to fraction form
    122,648.96/169,256.04 = 68,936.24/x
  3. Step 3: Cross multiply
    122,648.96x = 169,256.04 × 68,936.24
  4. Step 4: Simplify right side
    122,648.96x = 11,667,874,994.89
  5. Step 5: Solve for x
    x = 11,667,874,994.89/122,648.96
  6. Step 6: Final answer
    x = 95,132.28

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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.