Home / 356,831.42-492,428.04-195,687.60

Finding the Fourth Proportional to 356,831.42, 492,428.04 and 195,687.60

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Solution

The fourth proportional to 356,831.42, 492,428.04 and 195,687.60 is: 270,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,831.42 : 492,428.04 = 195,687.60 : x
  2. Step 2: Convert to fraction form
    356,831.42/492,428.04 = 195,687.60/x
  3. Step 3: Cross multiply
    356,831.42x = 492,428.04 × 195,687.60
  4. Step 4: Simplify right side
    356,831.42x = 96,362,061,320.30
  5. Step 5: Solve for x
    x = 96,362,061,320.30/356,831.42
  6. Step 6: Final answer
    x = 270,049.26

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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.