Home / 156,907.90-235,287.92-56,997.64

Finding the Fourth Proportional to 156,907.90, 235,287.92 and 56,997.64

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Solution

The fourth proportional to 156,907.90, 235,287.92 and 56,997.64 is: 85,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.90 : 235,287.92 = 56,997.64 : x
  2. Step 2: Convert to fraction form
    156,907.90/235,287.92 = 56,997.64/x
  3. Step 3: Cross multiply
    156,907.90x = 235,287.92 × 56,997.64
  4. Step 4: Simplify right side
    156,907.90x = 13,410,856,160.51
  5. Step 5: Solve for x
    x = 13,410,856,160.51/156,907.90
  6. Step 6: Final answer
    x = 85,469.60

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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.