Home / 151,160.68-208,603.22-83,179.11

Finding the Fourth Proportional to 151,160.68, 208,603.22 and 83,179.11

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Solution

The fourth proportional to 151,160.68, 208,603.22 and 83,179.11 is: 114,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,160.68 : 208,603.22 = 83,179.11 : x
  2. Step 2: Convert to fraction form
    151,160.68/208,603.22 = 83,179.11/x
  3. Step 3: Cross multiply
    151,160.68x = 208,603.22 × 83,179.11
  4. Step 4: Simplify right side
    151,160.68x = 17,351,430,549.10
  5. Step 5: Solve for x
    x = 17,351,430,549.10/151,160.68
  6. Step 6: Final answer
    x = 114,787.99

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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.