Home / 151,285.14-208,771.78-83,300.70

Finding the Fourth Proportional to 151,285.14, 208,771.78 and 83,300.70

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Solution

The fourth proportional to 151,285.14, 208,771.78 and 83,300.70 is: 114,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,285.14 : 208,771.78 = 83,300.70 : x
  2. Step 2: Convert to fraction form
    151,285.14/208,771.78 = 83,300.70/x
  3. Step 3: Cross multiply
    151,285.14x = 208,771.78 × 83,300.70
  4. Step 4: Simplify right side
    151,285.14x = 17,390,835,414.25
  5. Step 5: Solve for x
    x = 17,390,835,414.25/151,285.14
  6. Step 6: Final answer
    x = 114,954.02

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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.