Home / 397,130.14-548,119.31-235,954.16

Finding the Fourth Proportional to 397,130.14, 548,119.31 and 235,954.16

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Solution

The fourth proportional to 397,130.14, 548,119.31 and 235,954.16 is: 325,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,130.14 : 548,119.31 = 235,954.16 : x
  2. Step 2: Convert to fraction form
    397,130.14/548,119.31 = 235,954.16/x
  3. Step 3: Cross multiply
    397,130.14x = 548,119.31 × 235,954.16
  4. Step 4: Simplify right side
    397,130.14x = 129,331,032,589.08
  5. Step 5: Solve for x
    x = 129,331,032,589.08/397,130.14
  6. Step 6: Final answer
    x = 325,664.11

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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.