Home / 106,219.70-159,329.56-39,665.04

Finding the Fourth Proportional to 106,219.70, 159,329.56 and 39,665.04

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Solution

The fourth proportional to 106,219.70, 159,329.56 and 39,665.04 is: 59,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,219.70 : 159,329.56 = 39,665.04 : x
  2. Step 2: Convert to fraction form
    106,219.70/159,329.56 = 39,665.04/x
  3. Step 3: Cross multiply
    106,219.70x = 159,329.56 × 39,665.04
  4. Step 4: Simplify right side
    106,219.70x = 6,319,813,370.58
  5. Step 5: Solve for x
    x = 6,319,813,370.58/106,219.70
  6. Step 6: Final answer
    x = 59,497.56

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1.5x scale

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.