Home / 326,080.31-449,990.39-180,908.10

Finding the Fourth Proportional to 326,080.31, 449,990.39 and 180,908.10

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Solution

The fourth proportional to 326,080.31, 449,990.39 and 180,908.10 is: 249,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,080.31 : 449,990.39 = 180,908.10 : x
  2. Step 2: Convert to fraction form
    326,080.31/449,990.39 = 180,908.10/x
  3. Step 3: Cross multiply
    326,080.31x = 449,990.39 × 180,908.10
  4. Step 4: Simplify right side
    326,080.31x = 81,406,905,568.62
  5. Step 5: Solve for x
    x = 81,406,905,568.62/326,080.31
  6. Step 6: Final answer
    x = 249,652.94

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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.