Home / 202,569.48-279,548.03-111,923.19

Finding the Fourth Proportional to 202,569.48, 279,548.03 and 111,923.19

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Solution

The fourth proportional to 202,569.48, 279,548.03 and 111,923.19 is: 154,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,569.48 : 279,548.03 = 111,923.19 : x
  2. Step 2: Convert to fraction form
    202,569.48/279,548.03 = 111,923.19/x
  3. Step 3: Cross multiply
    202,569.48x = 279,548.03 × 111,923.19
  4. Step 4: Simplify right side
    202,569.48x = 31,287,907,555.62
  5. Step 5: Solve for x
    x = 31,287,907,555.62/202,569.48
  6. Step 6: Final answer
    x = 154,455.19

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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.