Home / 113,164.47-156,157.65-62,174.61

Finding the Fourth Proportional to 113,164.47, 156,157.65 and 62,174.61

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Solution

The fourth proportional to 113,164.47, 156,157.65 and 62,174.61 is: 85,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,164.47 : 156,157.65 = 62,174.61 : x
  2. Step 2: Convert to fraction form
    113,164.47/156,157.65 = 62,174.61/x
  3. Step 3: Cross multiply
    113,164.47x = 156,157.65 × 62,174.61
  4. Step 4: Simplify right side
    113,164.47x = 9,709,040,987.27
  5. Step 5: Solve for x
    x = 9,709,040,987.27/113,164.47
  6. Step 6: Final answer
    x = 85,795.84

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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.