Home / 236,631.60-355,200.12-131,422.32

Finding the Fourth Proportional to 236,631.60, 355,200.12 and 131,422.32

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Solution

The fourth proportional to 236,631.60, 355,200.12 and 131,422.32 is: 197,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631.60 : 355,200.12 = 131,422.32 : x
  2. Step 2: Convert to fraction form
    236,631.60/355,200.12 = 131,422.32/x
  3. Step 3: Cross multiply
    236,631.60x = 355,200.12 × 131,422.32
  4. Step 4: Simplify right side
    236,631.60x = 46,681,223,834.68
  5. Step 5: Solve for x
    x = 46,681,223,834.68/236,631.60
  6. Step 6: Final answer
    x = 197,273.84

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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.