Home / 268,972.25-402,334.70-189,004.59

Finding the Fourth Proportional to 268,972.25, 402,334.70 and 189,004.59

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Solution

The fourth proportional to 268,972.25, 402,334.70 and 189,004.59 is: 282,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.25 : 402,334.70 = 189,004.59 : x
  2. Step 2: Convert to fraction form
    268,972.25/402,334.70 = 189,004.59/x
  3. Step 3: Cross multiply
    268,972.25x = 402,334.70 × 189,004.59
  4. Step 4: Simplify right side
    268,972.25x = 76,043,104,071.25
  5. Step 5: Solve for x
    x = 76,043,104,071.25/268,972.25
  6. Step 6: Final answer
    x = 282,717.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.