Home / 347,318.64-520,962.14-144,831.18

Finding the Fourth Proportional to 347,318.64, 520,962.14 and 144,831.18

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Solution

The fourth proportional to 347,318.64, 520,962.14 and 144,831.18 is: 217,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,318.64 : 520,962.14 = 144,831.18 : x
  2. Step 2: Convert to fraction form
    347,318.64/520,962.14 = 144,831.18/x
  3. Step 3: Cross multiply
    347,318.64x = 520,962.14 × 144,831.18
  4. Step 4: Simplify right side
    347,318.64x = 75,451,561,471.53
  5. Step 5: Solve for x
    x = 75,451,561,471.53/347,318.64
  6. Step 6: Final answer
    x = 217,240.17

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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.