Home / 321,080.22-481,637.61-133,903.26

Finding the Fourth Proportional to 321,080.22, 481,637.61 and 133,903.26

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Solution

The fourth proportional to 321,080.22, 481,637.61 and 133,903.26 is: 200,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,080.22 : 481,637.61 = 133,903.26 : x
  2. Step 2: Convert to fraction form
    321,080.22/481,637.61 = 133,903.26/x
  3. Step 3: Cross multiply
    321,080.22x = 481,637.61 × 133,903.26
  4. Step 4: Simplify right side
    321,080.22x = 64,492,846,117.61
  5. Step 5: Solve for x
    x = 64,492,846,117.61/321,080.22
  6. Step 6: Final answer
    x = 200,862.10

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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.