Home / 373,507.20-515,436.48-230,209.92

Finding the Fourth Proportional to 373,507.20, 515,436.48 and 230,209.92

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Solution

The fourth proportional to 373,507.20, 515,436.48 and 230,209.92 is: 317,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,507.20 : 515,436.48 = 230,209.92 : x
  2. Step 2: Convert to fraction form
    373,507.20/515,436.48 = 230,209.92/x
  3. Step 3: Cross multiply
    373,507.20x = 515,436.48 × 230,209.92
  4. Step 4: Simplify right side
    373,507.20x = 118,658,590,825.88
  5. Step 5: Solve for x
    x = 118,658,590,825.88/373,507.20
  6. Step 6: Final answer
    x = 317,687.56

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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.