Home / 151,847.85-209,551.73-83,863.25

Finding the Fourth Proportional to 151,847.85, 209,551.73 and 83,863.25

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Solution

The fourth proportional to 151,847.85, 209,551.73 and 83,863.25 is: 115,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.85 : 209,551.73 = 83,863.25 : x
  2. Step 2: Convert to fraction form
    151,847.85/209,551.73 = 83,863.25/x
  3. Step 3: Cross multiply
    151,847.85x = 209,551.73 × 83,863.25
  4. Step 4: Simplify right side
    151,847.85x = 17,573,688,439.67
  5. Step 5: Solve for x
    x = 17,573,688,439.67/151,847.85
  6. Step 6: Final answer
    x = 115,732.21

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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.