Home / 151,246.17-208,712.13-83,261.40

Finding the Fourth Proportional to 151,246.17, 208,712.13 and 83,261.40

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Solution

The fourth proportional to 151,246.17, 208,712.13 and 83,261.40 is: 114,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,246.17 : 208,712.13 = 83,261.40 : x
  2. Step 2: Convert to fraction form
    151,246.17/208,712.13 = 83,261.40/x
  3. Step 3: Cross multiply
    151,246.17x = 208,712.13 × 83,261.40
  4. Step 4: Simplify right side
    151,246.17x = 17,377,664,140.78
  5. Step 5: Solve for x
    x = 17,377,664,140.78/151,246.17
  6. Step 6: Final answer
    x = 114,896.56

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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.