Home / 151,386.44-208,910.58-84,317

Finding the Fourth Proportional to 151,386.44, 208,910.58 and 84,317

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Solution

The fourth proportional to 151,386.44, 208,910.58 and 84,317 is: 116,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,386.44 : 208,910.58 = 84,317 : x
  2. Step 2: Convert to fraction form
    151,386.44/208,910.58 = 84,317/x
  3. Step 3: Cross multiply
    151,386.44x = 208,910.58 × 84,317
  4. Step 4: Simplify right side
    151,386.44x = 17,614,713,373.86
  5. Step 5: Solve for x
    x = 17,614,713,373.86/151,386.44
  6. Step 6: Final answer
    x = 116,355.95

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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.