Home / 356,831.69-492,382.47-195,644.32

Finding the Fourth Proportional to 356,831.69, 492,382.47 and 195,644.32

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Solution

The fourth proportional to 356,831.69, 492,382.47 and 195,644.32 is: 269,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,831.69 : 492,382.47 = 195,644.32 : x
  2. Step 2: Convert to fraction form
    356,831.69/492,382.47 = 195,644.32/x
  3. Step 3: Cross multiply
    356,831.69x = 492,382.47 × 195,644.32
  4. Step 4: Simplify right side
    356,831.69x = 96,331,833,523.07
  5. Step 5: Solve for x
    x = 96,331,833,523.07/356,831.69
  6. Step 6: Final answer
    x = 269,964.35

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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.