Home / 326,109.15-450,035.28-197,029.71

Finding the Fourth Proportional to 326,109.15, 450,035.28 and 197,029.71

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Solution

The fourth proportional to 326,109.15, 450,035.28 and 197,029.71 is: 271,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,109.15 : 450,035.28 = 197,029.71 : x
  2. Step 2: Convert to fraction form
    326,109.15/450,035.28 = 197,029.71/x
  3. Step 3: Cross multiply
    326,109.15x = 450,035.28 × 197,029.71
  4. Step 4: Simplify right side
    326,109.15x = 88,670,320,708.17
  5. Step 5: Solve for x
    x = 88,670,320,708.17/326,109.15
  6. Step 6: Final answer
    x = 271,903.81

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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.