Home / 293,618.76-405,187.30-171,103.56

Finding the Fourth Proportional to 293,618.76, 405,187.30 and 171,103.56

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Solution

The fourth proportional to 293,618.76, 405,187.30 and 171,103.56 is: 236,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,618.76 : 405,187.30 = 171,103.56 : x
  2. Step 2: Convert to fraction form
    293,618.76/405,187.30 = 171,103.56/x
  3. Step 3: Cross multiply
    293,618.76x = 405,187.30 × 171,103.56
  4. Step 4: Simplify right side
    293,618.76x = 69,328,989,496.79
  5. Step 5: Solve for x
    x = 69,328,989,496.79/293,618.76
  6. Step 6: Final answer
    x = 236,119.07

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1.5x scale

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.