Home / 397,122.20-548,108.32-235,946.20

Finding the Fourth Proportional to 397,122.20, 548,108.32 and 235,946.20

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Solution

The fourth proportional to 397,122.20, 548,108.32 and 235,946.20 is: 325,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,122.20 : 548,108.32 = 235,946.20 : x
  2. Step 2: Convert to fraction form
    397,122.20/548,108.32 = 235,946.20/x
  3. Step 3: Cross multiply
    397,122.20x = 548,108.32 × 235,946.20
  4. Step 4: Simplify right side
    397,122.20x = 129,324,075,292.38
  5. Step 5: Solve for x
    x = 129,324,075,292.38/397,122.20
  6. Step 6: Final answer
    x = 325,653.10

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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.