Home / 113,265.96-156,326.34-65,548.36

Finding the Fourth Proportional to 113,265.96, 156,326.34 and 65,548.36

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Solution

The fourth proportional to 113,265.96, 156,326.34 and 65,548.36 is: 90,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,265.96 : 156,326.34 = 65,548.36 : x
  2. Step 2: Convert to fraction form
    113,265.96/156,326.34 = 65,548.36/x
  3. Step 3: Cross multiply
    113,265.96x = 156,326.34 × 65,548.36
  4. Step 4: Simplify right side
    113,265.96x = 10,246,935,211.80
  5. Step 5: Solve for x
    x = 10,246,935,211.80/113,265.96
  6. Step 6: Final answer
    x = 90,467.91

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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.