Home / 397,116.18-548,100.03-235,940.19

Finding the Fourth Proportional to 397,116.18, 548,100.03 and 235,940.19

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Solution

The fourth proportional to 397,116.18, 548,100.03 and 235,940.19 is: 325,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,116.18 : 548,100.03 = 235,940.19 : x
  2. Step 2: Convert to fraction form
    397,116.18/548,100.03 = 235,940.19/x
  3. Step 3: Cross multiply
    397,116.18x = 548,100.03 × 235,940.19
  4. Step 4: Simplify right side
    397,116.18x = 129,318,825,217.21
  5. Step 5: Solve for x
    x = 129,318,825,217.21/397,116.18
  6. Step 6: Final answer
    x = 325,644.82

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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.