Home / 356,268.80-491,658.36-195,130.64

Finding the Fourth Proportional to 356,268.80, 491,658.36 and 195,130.64

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Solution

The fourth proportional to 356,268.80, 491,658.36 and 195,130.64 is: 269,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,268.80 : 491,658.36 = 195,130.64 : x
  2. Step 2: Convert to fraction form
    356,268.80/491,658.36 = 195,130.64/x
  3. Step 3: Cross multiply
    356,268.80x = 491,658.36 × 195,130.64
  4. Step 4: Simplify right side
    356,268.80x = 95,937,610,448.15
  5. Step 5: Solve for x
    x = 95,937,610,448.15/356,268.80
  6. Step 6: Final answer
    x = 269,284.34

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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.