Home / 106,771.61-147,344.76-64,338.33

Finding the Fourth Proportional to 106,771.61, 147,344.76 and 64,338.33

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Solution

The fourth proportional to 106,771.61, 147,344.76 and 64,338.33 is: 88,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.61 : 147,344.76 = 64,338.33 : x
  2. Step 2: Convert to fraction form
    106,771.61/147,344.76 = 64,338.33/x
  3. Step 3: Cross multiply
    106,771.61x = 147,344.76 × 64,338.33
  4. Step 4: Simplify right side
    106,771.61x = 9,479,915,792.65
  5. Step 5: Solve for x
    x = 9,479,915,792.65/106,771.61
  6. Step 6: Final answer
    x = 88,786.86

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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.