Home / 329,268.10-454,389-186,028.09

Finding the Fourth Proportional to 329,268.10, 454,389 and 186,028.09

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Solution

The fourth proportional to 329,268.10, 454,389 and 186,028.09 is: 256,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,268.10 : 454,389 = 186,028.09 : x
  2. Step 2: Convert to fraction form
    329,268.10/454,389 = 186,028.09/x
  3. Step 3: Cross multiply
    329,268.10x = 454,389 × 186,028.09
  4. Step 4: Simplify right side
    329,268.10x = 84,529,117,787.01
  5. Step 5: Solve for x
    x = 84,529,117,787.01/329,268.10
  6. Step 6: Final answer
    x = 256,718.21

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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.