Home / 163,708.20-225,608.58-143,433

Finding the Fourth Proportional to 163,708.20, 225,608.58 and 143,433

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Solution

The fourth proportional to 163,708.20, 225,608.58 and 143,433 is: 197,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,708.20 : 225,608.58 = 143,433 : x
  2. Step 2: Convert to fraction form
    163,708.20/225,608.58 = 143,433/x
  3. Step 3: Cross multiply
    163,708.20x = 225,608.58 × 143,433
  4. Step 4: Simplify right side
    163,708.20x = 32,359,715,455.14
  5. Step 5: Solve for x
    x = 32,359,715,455.14/163,708.20
  6. Step 6: Final answer
    x = 197,667.04

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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.