Home / 107,571.16-148,292.58-71,211.68

Finding the Fourth Proportional to 107,571.16, 148,292.58 and 71,211.68

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Solution

The fourth proportional to 107,571.16, 148,292.58 and 71,211.68 is: 98,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,571.16 : 148,292.58 = 71,211.68 : x
  2. Step 2: Convert to fraction form
    107,571.16/148,292.58 = 71,211.68/x
  3. Step 3: Cross multiply
    107,571.16x = 148,292.58 × 71,211.68
  4. Step 4: Simplify right side
    107,571.16x = 10,560,163,753.33
  5. Step 5: Solve for x
    x = 10,560,163,753.33/107,571.16
  6. Step 6: Final answer
    x = 98,169.10

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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.