Home / 156,905.68-235,284.38-56,996.22

Finding the Fourth Proportional to 156,905.68, 235,284.38 and 56,996.22

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Solution

The fourth proportional to 156,905.68, 235,284.38 and 56,996.22 is: 85,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.68 : 235,284.38 = 56,996.22 : x
  2. Step 2: Convert to fraction form
    156,905.68/235,284.38 = 56,996.22/x
  3. Step 3: Cross multiply
    156,905.68x = 235,284.38 × 56,996.22
  4. Step 4: Simplify right side
    156,905.68x = 13,410,320,285.04
  5. Step 5: Solve for x
    x = 13,410,320,285.04/156,905.68
  6. Step 6: Final answer
    x = 85,467.40

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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.