Home / 156,576.94-234,864.78-56,713.76

Finding the Fourth Proportional to 156,576.94, 234,864.78 and 56,713.76

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Solution

The fourth proportional to 156,576.94, 234,864.78 and 56,713.76 is: 85,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,576.94 : 234,864.78 = 56,713.76 : x
  2. Step 2: Convert to fraction form
    156,576.94/234,864.78 = 56,713.76/x
  3. Step 3: Cross multiply
    156,576.94x = 234,864.78 × 56,713.76
  4. Step 4: Simplify right side
    156,576.94x = 13,320,064,481.80
  5. Step 5: Solve for x
    x = 13,320,064,481.80/156,576.94
  6. Step 6: Final answer
    x = 85,070.41

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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.