Home / 202,176.36-279,002.56-111,537.96

Finding the Fourth Proportional to 202,176.36, 279,002.56 and 111,537.96

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Solution

The fourth proportional to 202,176.36, 279,002.56 and 111,537.96 is: 153,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,176.36 : 279,002.56 = 111,537.96 : x
  2. Step 2: Convert to fraction form
    202,176.36/279,002.56 = 111,537.96/x
  3. Step 3: Cross multiply
    202,176.36x = 279,002.56 × 111,537.96
  4. Step 4: Simplify right side
    202,176.36x = 31,119,376,377.18
  5. Step 5: Solve for x
    x = 31,119,376,377.18/202,176.36
  6. Step 6: Final answer
    x = 153,921.93

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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.