Home / 143,551.84-198,447.96-131,596.24

Finding the Fourth Proportional to 143,551.84, 198,447.96 and 131,596.24

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Solution

The fourth proportional to 143,551.84, 198,447.96 and 131,596.24 is: 181,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551.84 : 198,447.96 = 131,596.24 : x
  2. Step 2: Convert to fraction form
    143,551.84/198,447.96 = 131,596.24/x
  3. Step 3: Cross multiply
    143,551.84x = 198,447.96 × 131,596.24
  4. Step 4: Simplify right side
    143,551.84x = 26,115,005,371.67
  5. Step 5: Solve for x
    x = 26,115,005,371.67/143,551.84
  6. Step 6: Final answer
    x = 181,920.38

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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.