Home / 325,934.64-449,767.05-180,747.78

Finding the Fourth Proportional to 325,934.64, 449,767.05 and 180,747.78

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Solution

The fourth proportional to 325,934.64, 449,767.05 and 180,747.78 is: 249,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,934.64 : 449,767.05 = 180,747.78 : x
  2. Step 2: Convert to fraction form
    325,934.64/449,767.05 = 180,747.78/x
  3. Step 3: Cross multiply
    325,934.64x = 449,767.05 × 180,747.78
  4. Step 4: Simplify right side
    325,934.64x = 81,294,395,804.65
  5. Step 5: Solve for x
    x = 81,294,395,804.65/325,934.64
  6. Step 6: Final answer
    x = 249,419.32

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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.