Home / 202,392.04-279,299.76-111,753.64

Finding the Fourth Proportional to 202,392.04, 279,299.76 and 111,753.64

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Solution

The fourth proportional to 202,392.04, 279,299.76 and 111,753.64 is: 154,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,392.04 : 279,299.76 = 111,753.64 : x
  2. Step 2: Convert to fraction form
    202,392.04/279,299.76 = 111,753.64/x
  3. Step 3: Cross multiply
    202,392.04x = 279,299.76 × 111,753.64
  4. Step 4: Simplify right side
    202,392.04x = 31,212,764,831.13
  5. Step 5: Solve for x
    x = 31,212,764,831.13/202,392.04
  6. Step 6: Final answer
    x = 154,219.33

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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.