Home / 211,023.60-291,651.48-169,033.20

Finding the Fourth Proportional to 211,023.60, 291,651.48 and 169,033.20

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Solution

The fourth proportional to 211,023.60, 291,651.48 and 169,033.20 is: 233,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,023.60 : 291,651.48 = 169,033.20 : x
  2. Step 2: Convert to fraction form
    211,023.60/291,651.48 = 169,033.20/x
  3. Step 3: Cross multiply
    211,023.60x = 291,651.48 × 169,033.20
  4. Step 4: Simplify right side
    211,023.60x = 49,298,782,949.14
  5. Step 5: Solve for x
    x = 49,298,782,949.14/211,023.60
  6. Step 6: Final answer
    x = 233,617.39

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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.