Home / 335,860.12-462,997.30-255,147.53

Finding the Fourth Proportional to 335,860.12, 462,997.30 and 255,147.53

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Solution

The fourth proportional to 335,860.12, 462,997.30 and 255,147.53 is: 351,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,860.12 : 462,997.30 = 255,147.53 : x
  2. Step 2: Convert to fraction form
    335,860.12/462,997.30 = 255,147.53/x
  3. Step 3: Cross multiply
    335,860.12x = 462,997.30 × 255,147.53
  4. Step 4: Simplify right side
    335,860.12x = 118,132,616,215.93
  5. Step 5: Solve for x
    x = 118,132,616,215.93/335,860.12
  6. Step 6: Final answer
    x = 351,731.60

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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.