Home / 110,826.20-152,887.02-80,564.60

Finding the Fourth Proportional to 110,826.20, 152,887.02 and 80,564.60

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Solution

The fourth proportional to 110,826.20, 152,887.02 and 80,564.60 is: 111,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,826.20 : 152,887.02 = 80,564.60 : x
  2. Step 2: Convert to fraction form
    110,826.20/152,887.02 = 80,564.60/x
  3. Step 3: Cross multiply
    110,826.20x = 152,887.02 × 80,564.60
  4. Step 4: Simplify right side
    110,826.20x = 12,317,281,611.49
  5. Step 5: Solve for x
    x = 12,317,281,611.49/110,826.20
  6. Step 6: Final answer
    x = 111,140.52

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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.