Home / 113,461.56-156,576.90-63,172.44

Finding the Fourth Proportional to 113,461.56, 156,576.90 and 63,172.44

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Solution

The fourth proportional to 113,461.56, 156,576.90 and 63,172.44 is: 87,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,461.56 : 156,576.90 = 63,172.44 : x
  2. Step 2: Convert to fraction form
    113,461.56/156,576.90 = 63,172.44/x
  3. Step 3: Cross multiply
    113,461.56x = 156,576.90 × 63,172.44
  4. Step 4: Simplify right side
    113,461.56x = 9,891,344,820.64
  5. Step 5: Solve for x
    x = 9,891,344,820.64/113,461.56
  6. Step 6: Final answer
    x = 87,177.94

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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.