Home / 229,847.40-317,142-134,335.44

Finding the Fourth Proportional to 229,847.40, 317,142 and 134,335.44

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Solution

The fourth proportional to 229,847.40, 317,142 and 134,335.44 is: 185,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,847.40 : 317,142 = 134,335.44 : x
  2. Step 2: Convert to fraction form
    229,847.40/317,142 = 134,335.44/x
  3. Step 3: Cross multiply
    229,847.40x = 317,142 × 134,335.44
  4. Step 4: Simplify right side
    229,847.40x = 42,603,410,112.48
  5. Step 5: Solve for x
    x = 42,603,410,112.48/229,847.40
  6. Step 6: Final answer
    x = 185,355.20

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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.