Home / 262,440.71-393,723.53-84,947.70

Finding the Fourth Proportional to 262,440.71, 393,723.53 and 84,947.70

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Solution

The fourth proportional to 262,440.71, 393,723.53 and 84,947.70 is: 127,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440.71 : 393,723.53 = 84,947.70 : x
  2. Step 2: Convert to fraction form
    262,440.71/393,723.53 = 84,947.70/x
  3. Step 3: Cross multiply
    262,440.71x = 393,723.53 × 84,947.70
  4. Step 4: Simplify right side
    262,440.71x = 33,445,907,884.64
  5. Step 5: Solve for x
    x = 33,445,907,884.64/262,440.71
  6. Step 6: Final answer
    x = 127,441.77

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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.