Home / 107,408.34-148,313.21-89,596.71

Finding the Fourth Proportional to 107,408.34, 148,313.21 and 89,596.71

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Solution

The fourth proportional to 107,408.34, 148,313.21 and 89,596.71 is: 123,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.34 : 148,313.21 = 89,596.71 : x
  2. Step 2: Convert to fraction form
    107,408.34/148,313.21 = 89,596.71/x
  3. Step 3: Cross multiply
    107,408.34x = 148,313.21 × 89,596.71
  4. Step 4: Simplify right side
    107,408.34x = 13,288,375,217.56
  5. Step 5: Solve for x
    x = 13,288,375,217.56/107,408.34
  6. Step 6: Final answer
    x = 123,718.28

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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.