Home / 239,831.21-330,965.42-132,401.22

Finding the Fourth Proportional to 239,831.21, 330,965.42 and 132,401.22

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Solution

The fourth proportional to 239,831.21, 330,965.42 and 132,401.22 is: 182,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831.21 : 330,965.42 = 132,401.22 : x
  2. Step 2: Convert to fraction form
    239,831.21/330,965.42 = 132,401.22/x
  3. Step 3: Cross multiply
    239,831.21x = 330,965.42 × 132,401.22
  4. Step 4: Simplify right side
    239,831.21x = 43,820,224,723.81
  5. Step 5: Solve for x
    x = 43,820,224,723.81/239,831.21
  6. Step 6: Final answer
    x = 182,712.77

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1.5x scale

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.