Home / 113,731.81-156,918.40-73,447.27

Finding the Fourth Proportional to 113,731.81, 156,918.40 and 73,447.27

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Solution

The fourth proportional to 113,731.81, 156,918.40 and 73,447.27 is: 101,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,731.81 : 156,918.40 = 73,447.27 : x
  2. Step 2: Convert to fraction form
    113,731.81/156,918.40 = 73,447.27/x
  3. Step 3: Cross multiply
    113,731.81x = 156,918.40 × 73,447.27
  4. Step 4: Simplify right side
    113,731.81x = 11,525,228,092.77
  5. Step 5: Solve for x
    x = 11,525,228,092.77/113,731.81
  6. Step 6: Final answer
    x = 101,336.89

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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.