Home / 202,831.14-279,895.83-112,181.82

Finding the Fourth Proportional to 202,831.14, 279,895.83 and 112,181.82

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Solution

The fourth proportional to 202,831.14, 279,895.83 and 112,181.82 is: 154,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,831.14 : 279,895.83 = 112,181.82 : x
  2. Step 2: Convert to fraction form
    202,831.14/279,895.83 = 112,181.82/x
  3. Step 3: Cross multiply
    202,831.14x = 279,895.83 × 112,181.82
  4. Step 4: Simplify right side
    202,831.14x = 31,399,223,619.81
  5. Step 5: Solve for x
    x = 31,399,223,619.81/202,831.14
  6. Step 6: Final answer
    x = 154,804.75

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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.