Home / 106,448.69-146,912.51-61,140.85

Finding the Fourth Proportional to 106,448.69, 146,912.51 and 61,140.85

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Solution

The fourth proportional to 106,448.69, 146,912.51 and 61,140.85 is: 84,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,448.69 : 146,912.51 = 61,140.85 : x
  2. Step 2: Convert to fraction form
    106,448.69/146,912.51 = 61,140.85/x
  3. Step 3: Cross multiply
    106,448.69x = 146,912.51 × 61,140.85
  4. Step 4: Simplify right side
    106,448.69x = 8,982,355,737.03
  5. Step 5: Solve for x
    x = 8,982,355,737.03/106,448.69
  6. Step 6: Final answer
    x = 84,382.02

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1.5x scale

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.