Home / 143,509.89-198,071.06-95,026.35

Finding the Fourth Proportional to 143,509.89, 198,071.06 and 95,026.35

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Solution

The fourth proportional to 143,509.89, 198,071.06 and 95,026.35 is: 131,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,509.89 : 198,071.06 = 95,026.35 : x
  2. Step 2: Convert to fraction form
    143,509.89/198,071.06 = 95,026.35/x
  3. Step 3: Cross multiply
    143,509.89x = 198,071.06 × 95,026.35
  4. Step 4: Simplify right side
    143,509.89x = 18,821,969,872.43
  5. Step 5: Solve for x
    x = 18,821,969,872.43/143,509.89
  6. Step 6: Final answer
    x = 131,154.51

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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.