Home / 106,512.48-159,822.36-70,997.76

Finding the Fourth Proportional to 106,512.48, 159,822.36 and 70,997.76

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Solution

The fourth proportional to 106,512.48, 159,822.36 and 70,997.76 is: 106,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.48 : 159,822.36 = 70,997.76 : x
  2. Step 2: Convert to fraction form
    106,512.48/159,822.36 = 70,997.76/x
  3. Step 3: Cross multiply
    106,512.48x = 159,822.36 × 70,997.76
  4. Step 4: Simplify right side
    106,512.48x = 11,347,029,557.91
  5. Step 5: Solve for x
    x = 11,347,029,557.91/106,512.48
  6. Step 6: Final answer
    x = 106,532.39

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1.5x scale

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.