Home / 156,873.20-235,334.16-51,659.12

Finding the Fourth Proportional to 156,873.20, 235,334.16 and 51,659.12

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Solution

The fourth proportional to 156,873.20, 235,334.16 and 51,659.12 is: 77,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,873.20 : 235,334.16 = 51,659.12 : x
  2. Step 2: Convert to fraction form
    156,873.20/235,334.16 = 51,659.12/x
  3. Step 3: Cross multiply
    156,873.20x = 235,334.16 × 51,659.12
  4. Step 4: Simplify right side
    156,873.20x = 12,157,155,611.54
  5. Step 5: Solve for x
    x = 12,157,155,611.54/156,873.20
  6. Step 6: Final answer
    x = 77,496.70

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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.