Home / 156,560.03-234,840.75-66,579.56

Finding the Fourth Proportional to 156,560.03, 234,840.75 and 66,579.56

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Solution

The fourth proportional to 156,560.03, 234,840.75 and 66,579.56 is: 99,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560.03 : 234,840.75 = 66,579.56 : x
  2. Step 2: Convert to fraction form
    156,560.03/234,840.75 = 66,579.56/x
  3. Step 3: Cross multiply
    156,560.03x = 234,840.75 × 66,579.56
  4. Step 4: Simplify right side
    156,560.03x = 15,635,593,217.97
  5. Step 5: Solve for x
    x = 15,635,593,217.97/156,560.03
  6. Step 6: Final answer
    x = 99,869.64

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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.