Home / 230,831.20-346,052.40-120,023.20

Finding the Fourth Proportional to 230,831.20, 346,052.40 and 120,023.20

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Solution

The fourth proportional to 230,831.20, 346,052.40 and 120,023.20 is: 179,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,831.20 : 346,052.40 = 120,023.20 : x
  2. Step 2: Convert to fraction form
    230,831.20/346,052.40 = 120,023.20/x
  3. Step 3: Cross multiply
    230,831.20x = 346,052.40 × 120,023.20
  4. Step 4: Simplify right side
    230,831.20x = 41,534,316,415.68
  5. Step 5: Solve for x
    x = 41,534,316,415.68/230,831.20
  6. Step 6: Final answer
    x = 179,933.72

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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.