Home / 217,014.03-299,484.68-121,540.14

Finding the Fourth Proportional to 217,014.03, 299,484.68 and 121,540.14

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Solution

The fourth proportional to 217,014.03, 299,484.68 and 121,540.14 is: 167,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,014.03 : 299,484.68 = 121,540.14 : x
  2. Step 2: Convert to fraction form
    217,014.03/299,484.68 = 121,540.14/x
  3. Step 3: Cross multiply
    217,014.03x = 299,484.68 × 121,540.14
  4. Step 4: Simplify right side
    217,014.03x = 36,399,409,327.35
  5. Step 5: Solve for x
    x = 36,399,409,327.35/217,014.03
  6. Step 6: Final answer
    x = 167,728.37

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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.