Home / 202,569.21-279,544.36-111,925.19

Finding the Fourth Proportional to 202,569.21, 279,544.36 and 111,925.19

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Solution

The fourth proportional to 202,569.21, 279,544.36 and 111,925.19 is: 154,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,569.21 : 279,544.36 = 111,925.19 : x
  2. Step 2: Convert to fraction form
    202,569.21/279,544.36 = 111,925.19/x
  3. Step 3: Cross multiply
    202,569.21x = 279,544.36 × 111,925.19
  4. Step 4: Simplify right side
    202,569.21x = 31,288,055,606.43
  5. Step 5: Solve for x
    x = 31,288,055,606.43/202,569.21
  6. Step 6: Final answer
    x = 154,456.13

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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.