Home / 293,618.21-405,186.35-171,102.80

Finding the Fourth Proportional to 293,618.21, 405,186.35 and 171,102.80

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Solution

The fourth proportional to 293,618.21, 405,186.35 and 171,102.80 is: 236,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,618.21 : 405,186.35 = 171,102.80 : x
  2. Step 2: Convert to fraction form
    293,618.21/405,186.35 = 171,102.80/x
  3. Step 3: Cross multiply
    293,618.21x = 405,186.35 × 171,102.80
  4. Step 4: Simplify right side
    293,618.21x = 69,328,516,125.33
  5. Step 5: Solve for x
    x = 69,328,516,125.33/293,618.21
  6. Step 6: Final answer
    x = 236,117.91

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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.