Home / 303,123.80-454,762.94-89,899.49

Finding the Fourth Proportional to 303,123.80, 454,762.94 and 89,899.49

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Solution

The fourth proportional to 303,123.80, 454,762.94 and 89,899.49 is: 134,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,123.80 : 454,762.94 = 89,899.49 : x
  2. Step 2: Convert to fraction form
    303,123.80/454,762.94 = 89,899.49/x
  3. Step 3: Cross multiply
    303,123.80x = 454,762.94 × 89,899.49
  4. Step 4: Simplify right side
    303,123.80x = 40,882,957,064.31
  5. Step 5: Solve for x
    x = 40,882,957,064.31/303,123.80
  6. Step 6: Final answer
    x = 134,872.14

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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.