Home / 195,694.07-293,639.65-145,874.21

Finding the Fourth Proportional to 195,694.07, 293,639.65 and 145,874.21

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Solution

The fourth proportional to 195,694.07, 293,639.65 and 145,874.21 is: 218,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,694.07 : 293,639.65 = 145,874.21 : x
  2. Step 2: Convert to fraction form
    195,694.07/293,639.65 = 145,874.21/x
  3. Step 3: Cross multiply
    195,694.07x = 293,639.65 × 145,874.21
  4. Step 4: Simplify right side
    195,694.07x = 42,834,450,135.54
  5. Step 5: Solve for x
    x = 42,834,450,135.54/195,694.07
  6. Step 6: Final answer
    x = 218,884.77

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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.