Home / 211,288.56-291,448.68-172,582.62

Finding the Fourth Proportional to 211,288.56, 291,448.68 and 172,582.62

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Solution

The fourth proportional to 211,288.56, 291,448.68 and 172,582.62 is: 238,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288.56 : 291,448.68 = 172,582.62 : x
  2. Step 2: Convert to fraction form
    211,288.56/291,448.68 = 172,582.62/x
  3. Step 3: Cross multiply
    211,288.56x = 291,448.68 × 172,582.62
  4. Step 4: Simplify right side
    211,288.56x = 50,298,976,789.94
  5. Step 5: Solve for x
    x = 50,298,976,789.94/211,288.56
  6. Step 6: Final answer
    x = 238,058.21

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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.