Home / 99,738.20-149,315.70-96,822.20

Finding the Fourth Proportional to 99,738.20, 149,315.70 and 96,822.20

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Solution

The fourth proportional to 99,738.20, 149,315.70 and 96,822.20 is: 144,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.20 : 149,315.70 = 96,822.20 : x
  2. Step 2: Convert to fraction form
    99,738.20/149,315.70 = 96,822.20/x
  3. Step 3: Cross multiply
    99,738.20x = 149,315.70 × 96,822.20
  4. Step 4: Simplify right side
    99,738.20x = 14,457,074,568.54
  5. Step 5: Solve for x
    x = 14,457,074,568.54/99,738.20
  6. Step 6: Final answer
    x = 144,950.23

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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.