Home / 281,837.25-389,139.53-181,410.21

Finding the Fourth Proportional to 281,837.25, 389,139.53 and 181,410.21

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Solution

The fourth proportional to 281,837.25, 389,139.53 and 181,410.21 is: 250,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,837.25 : 389,139.53 = 181,410.21 : x
  2. Step 2: Convert to fraction form
    281,837.25/389,139.53 = 181,410.21/x
  3. Step 3: Cross multiply
    281,837.25x = 389,139.53 × 181,410.21
  4. Step 4: Simplify right side
    281,837.25x = 70,593,882,949.55
  5. Step 5: Solve for x
    x = 70,593,882,949.55/281,837.25
  6. Step 6: Final answer
    x = 250,477.48

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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.