Home / 143,553.84-198,450.72-131,598.24

Finding the Fourth Proportional to 143,553.84, 198,450.72 and 131,598.24

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Solution

The fourth proportional to 143,553.84, 198,450.72 and 131,598.24 is: 181,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553.84 : 198,450.72 = 131,598.24 : x
  2. Step 2: Convert to fraction form
    143,553.84/198,450.72 = 131,598.24/x
  3. Step 3: Cross multiply
    143,553.84x = 198,450.72 × 131,598.24
  4. Step 4: Simplify right side
    143,553.84x = 26,115,765,478.73
  5. Step 5: Solve for x
    x = 26,115,765,478.73/143,553.84
  6. Step 6: Final answer
    x = 181,923.14

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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.