Home / 202,537.35-279,477.36-111,887.82

Finding the Fourth Proportional to 202,537.35, 279,477.36 and 111,887.82

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Solution

The fourth proportional to 202,537.35, 279,477.36 and 111,887.82 is: 154,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,537.35 : 279,477.36 = 111,887.82 : x
  2. Step 2: Convert to fraction form
    202,537.35/279,477.36 = 111,887.82/x
  3. Step 3: Cross multiply
    202,537.35x = 279,477.36 × 111,887.82
  4. Step 4: Simplify right side
    202,537.35x = 31,270,112,549.76
  5. Step 5: Solve for x
    x = 31,270,112,549.76/202,537.35
  6. Step 6: Final answer
    x = 154,391.83

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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.