Home / 243,431.27-335,877.59-141,396.11

Finding the Fourth Proportional to 243,431.27, 335,877.59 and 141,396.11

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Solution

The fourth proportional to 243,431.27, 335,877.59 and 141,396.11 is: 195,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,431.27 : 335,877.59 = 141,396.11 : x
  2. Step 2: Convert to fraction form
    243,431.27/335,877.59 = 141,396.11/x
  3. Step 3: Cross multiply
    243,431.27x = 335,877.59 × 141,396.11
  4. Step 4: Simplify right side
    243,431.27x = 47,491,782,855.81
  5. Step 5: Solve for x
    x = 47,491,782,855.81/243,431.27
  6. Step 6: Final answer
    x = 195,093.19

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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.