Home / 215,682.09-323,523.14-65,922.81

Finding the Fourth Proportional to 215,682.09, 323,523.14 and 65,922.81

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Solution

The fourth proportional to 215,682.09, 323,523.14 and 65,922.81 is: 98,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,682.09 : 323,523.14 = 65,922.81 : x
  2. Step 2: Convert to fraction form
    215,682.09/323,523.14 = 65,922.81/x
  3. Step 3: Cross multiply
    215,682.09x = 323,523.14 × 65,922.81
  4. Step 4: Simplify right side
    215,682.09x = 21,327,554,159.21
  5. Step 5: Solve for x
    x = 21,327,554,159.21/215,682.09
  6. Step 6: Final answer
    x = 98,884.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.