Home / 180,831.49-271,228.16-74,226.71

Finding the Fourth Proportional to 180,831.49, 271,228.16 and 74,226.71

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Solution

The fourth proportional to 180,831.49, 271,228.16 and 74,226.71 is: 111,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,831.49 : 271,228.16 = 74,226.71 : x
  2. Step 2: Convert to fraction form
    180,831.49/271,228.16 = 74,226.71/x
  3. Step 3: Cross multiply
    180,831.49x = 271,228.16 × 74,226.71
  4. Step 4: Simplify right side
    180,831.49x = 20,132,374,839.79
  5. Step 5: Solve for x
    x = 20,132,374,839.79/180,831.49
  6. Step 6: Final answer
    x = 111,332.24

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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.