Home / 211,369.97-291,359.22-160,177.78

Finding the Fourth Proportional to 211,369.97, 291,359.22 and 160,177.78

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Solution

The fourth proportional to 211,369.97, 291,359.22 and 160,177.78 is: 220,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,369.97 : 291,359.22 = 160,177.78 : x
  2. Step 2: Convert to fraction form
    211,369.97/291,359.22 = 160,177.78/x
  3. Step 3: Cross multiply
    211,369.97x = 291,359.22 × 160,177.78
  4. Step 4: Simplify right side
    211,369.97x = 46,669,271,585.34
  5. Step 5: Solve for x
    x = 46,669,271,585.34/211,369.97
  6. Step 6: Final answer
    x = 220,794.24

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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.