Home / 143,594.37-198,158.60-79,062.29

Finding the Fourth Proportional to 143,594.37, 198,158.60 and 79,062.29

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Solution

The fourth proportional to 143,594.37, 198,158.60 and 79,062.29 is: 109,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,594.37 : 198,158.60 = 79,062.29 : x
  2. Step 2: Convert to fraction form
    143,594.37/198,158.60 = 79,062.29/x
  3. Step 3: Cross multiply
    143,594.37x = 198,158.60 × 79,062.29
  4. Step 4: Simplify right side
    143,594.37x = 15,666,873,763.79
  5. Step 5: Solve for x
    x = 15,666,873,763.79/143,594.37
  6. Step 6: Final answer
    x = 109,105.07

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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.