Home / 230,936.80-346,502.40-125,831.20

Finding the Fourth Proportional to 230,936.80, 346,502.40 and 125,831.20

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Solution

The fourth proportional to 230,936.80, 346,502.40 and 125,831.20 is: 188,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,936.80 : 346,502.40 = 125,831.20 : x
  2. Step 2: Convert to fraction form
    230,936.80/346,502.40 = 125,831.20/x
  3. Step 3: Cross multiply
    230,936.80x = 346,502.40 × 125,831.20
  4. Step 4: Simplify right side
    230,936.80x = 43,600,812,794.88
  5. Step 5: Solve for x
    x = 43,600,812,794.88/230,936.80
  6. Step 6: Final answer
    x = 188,799.76

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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.