Home / 103,733.40-155,600.10-92,652.60

Finding the Fourth Proportional to 103,733.40, 155,600.10 and 92,652.60

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Solution

The fourth proportional to 103,733.40, 155,600.10 and 92,652.60 is: 138,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,733.40 : 155,600.10 = 92,652.60 : x
  2. Step 2: Convert to fraction form
    103,733.40/155,600.10 = 92,652.60/x
  3. Step 3: Cross multiply
    103,733.40x = 155,600.10 × 92,652.60
  4. Step 4: Simplify right side
    103,733.40x = 14,416,753,825.26
  5. Step 5: Solve for x
    x = 14,416,753,825.26/103,733.40
  6. Step 6: Final answer
    x = 138,978.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.