Home / 156,027.75-234,080.51-45,219.75

Finding the Fourth Proportional to 156,027.75, 234,080.51 and 45,219.75

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Solution

The fourth proportional to 156,027.75, 234,080.51 and 45,219.75 is: 67,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,027.75 : 234,080.51 = 45,219.75 : x
  2. Step 2: Convert to fraction form
    156,027.75/234,080.51 = 45,219.75/x
  3. Step 3: Cross multiply
    156,027.75x = 234,080.51 × 45,219.75
  4. Step 4: Simplify right side
    156,027.75x = 10,585,061,915.97
  5. Step 5: Solve for x
    x = 10,585,061,915.97/156,027.75
  6. Step 6: Final answer
    x = 67,840.89

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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.