Home / 236,867.60-355,186.20-131,574.80

Finding the Fourth Proportional to 236,867.60, 355,186.20 and 131,574.80

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Solution

The fourth proportional to 236,867.60, 355,186.20 and 131,574.80 is: 197,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,867.60 : 355,186.20 = 131,574.80 : x
  2. Step 2: Convert to fraction form
    236,867.60/355,186.20 = 131,574.80/x
  3. Step 3: Cross multiply
    236,867.60x = 355,186.20 × 131,574.80
  4. Step 4: Simplify right side
    236,867.60x = 46,733,553,227.76
  5. Step 5: Solve for x
    x = 46,733,553,227.76/236,867.60
  6. Step 6: Final answer
    x = 197,298.21

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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.