Home / 211,114.08-291,340.72-115,619.04

Finding the Fourth Proportional to 211,114.08, 291,340.72 and 115,619.04

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Solution

The fourth proportional to 211,114.08, 291,340.72 and 115,619.04 is: 159,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,114.08 : 291,340.72 = 115,619.04 : x
  2. Step 2: Convert to fraction form
    211,114.08/291,340.72 = 115,619.04/x
  3. Step 3: Cross multiply
    211,114.08x = 291,340.72 × 115,619.04
  4. Step 4: Simplify right side
    211,114.08x = 33,684,534,359.31
  5. Step 5: Solve for x
    x = 33,684,534,359.31/211,114.08
  6. Step 6: Final answer
    x = 159,556.08

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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.