Home / 151,228.72-208,694.04-83,244.24

Finding the Fourth Proportional to 151,228.72, 208,694.04 and 83,244.24

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Solution

The fourth proportional to 151,228.72, 208,694.04 and 83,244.24 is: 114,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,228.72 : 208,694.04 = 83,244.24 : x
  2. Step 2: Convert to fraction form
    151,228.72/208,694.04 = 83,244.24/x
  3. Step 3: Cross multiply
    151,228.72x = 208,694.04 × 83,244.24
  4. Step 4: Simplify right side
    151,228.72x = 17,372,576,440.16
  5. Step 5: Solve for x
    x = 17,372,576,440.16/151,228.72
  6. Step 6: Final answer
    x = 114,876.17

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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.