Home / 113,462.56-156,578.28-63,173.44

Finding the Fourth Proportional to 113,462.56, 156,578.28 and 63,173.44

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Solution

The fourth proportional to 113,462.56, 156,578.28 and 63,173.44 is: 87,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,462.56 : 156,578.28 = 63,173.44 : x
  2. Step 2: Convert to fraction form
    113,462.56/156,578.28 = 63,173.44/x
  3. Step 3: Cross multiply
    113,462.56x = 156,578.28 × 63,173.44
  4. Step 4: Simplify right side
    113,462.56x = 9,891,588,576.88
  5. Step 5: Solve for x
    x = 9,891,588,576.88/113,462.56
  6. Step 6: Final answer
    x = 87,179.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.