Home / 173,826.40-260,739.60-68,591.20

Finding the Fourth Proportional to 173,826.40, 260,739.60 and 68,591.20

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Solution

The fourth proportional to 173,826.40, 260,739.60 and 68,591.20 is: 102,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,826.40 : 260,739.60 = 68,591.20 : x
  2. Step 2: Convert to fraction form
    173,826.40/260,739.60 = 68,591.20/x
  3. Step 3: Cross multiply
    173,826.40x = 260,739.60 × 68,591.20
  4. Step 4: Simplify right side
    173,826.40x = 17,884,442,051.52
  5. Step 5: Solve for x
    x = 17,884,442,051.52/173,826.40
  6. Step 6: Final answer
    x = 102,886.80

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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.