Home / 156,989.60-235,451.46-51,783.92

Finding the Fourth Proportional to 156,989.60, 235,451.46 and 51,783.92

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Solution

The fourth proportional to 156,989.60, 235,451.46 and 51,783.92 is: 77,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.60 : 235,451.46 = 51,783.92 : x
  2. Step 2: Convert to fraction form
    156,989.60/235,451.46 = 51,783.92/x
  3. Step 3: Cross multiply
    156,989.60x = 235,451.46 × 51,783.92
  4. Step 4: Simplify right side
    156,989.60x = 12,192,599,568.52
  5. Step 5: Solve for x
    x = 12,192,599,568.52/156,989.60
  6. Step 6: Final answer
    x = 77,665.01

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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.