Home / 202,599.09-279,585.68-111,961.35

Finding the Fourth Proportional to 202,599.09, 279,585.68 and 111,961.35

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Solution

The fourth proportional to 202,599.09, 279,585.68 and 111,961.35 is: 154,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,599.09 : 279,585.68 = 111,961.35 : x
  2. Step 2: Convert to fraction form
    202,599.09/279,585.68 = 111,961.35/x
  3. Step 3: Cross multiply
    202,599.09x = 279,585.68 × 111,961.35
  4. Step 4: Simplify right side
    202,599.09x = 31,302,789,613.66
  5. Step 5: Solve for x
    x = 31,302,789,613.66/202,599.09
  6. Step 6: Final answer
    x = 154,506.07

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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.