Home / 143,606.48-198,030.01-95,191.54

Finding the Fourth Proportional to 143,606.48, 198,030.01 and 95,191.54

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Solution

The fourth proportional to 143,606.48, 198,030.01 and 95,191.54 is: 131,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,606.48 : 198,030.01 = 95,191.54 : x
  2. Step 2: Convert to fraction form
    143,606.48/198,030.01 = 95,191.54/x
  3. Step 3: Cross multiply
    143,606.48x = 198,030.01 × 95,191.54
  4. Step 4: Simplify right side
    143,606.48x = 18,850,781,618.12
  5. Step 5: Solve for x
    x = 18,850,781,618.12/143,606.48
  6. Step 6: Final answer
    x = 131,266.93

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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.