Home / 211,166.73-291,409.99-115,673.40

Finding the Fourth Proportional to 211,166.73, 291,409.99 and 115,673.40

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Solution

The fourth proportional to 211,166.73, 291,409.99 and 115,673.40 is: 159,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,166.73 : 291,409.99 = 115,673.40 : x
  2. Step 2: Convert to fraction form
    211,166.73/291,409.99 = 115,673.40/x
  3. Step 3: Cross multiply
    211,166.73x = 291,409.99 × 115,673.40
  4. Step 4: Simplify right side
    211,166.73x = 33,708,384,048.08
  5. Step 5: Solve for x
    x = 33,708,384,048.08/211,166.73
  6. Step 6: Final answer
    x = 159,629.24

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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.