Home / 156,907.17-235,286.64-56,997.72

Finding the Fourth Proportional to 156,907.17, 235,286.64 and 56,997.72

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Solution

The fourth proportional to 156,907.17, 235,286.64 and 56,997.72 is: 85,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.17 : 235,286.64 = 56,997.72 : x
  2. Step 2: Convert to fraction form
    156,907.17/235,286.64 = 56,997.72/x
  3. Step 3: Cross multiply
    156,907.17x = 235,286.64 × 56,997.72
  4. Step 4: Simplify right side
    156,907.17x = 13,410,802,026.46
  5. Step 5: Solve for x
    x = 13,410,802,026.46/156,907.17
  6. Step 6: Final answer
    x = 85,469.66

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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.