Home / 211,085.28-291,294.19-114,288.36

Finding the Fourth Proportional to 211,085.28, 291,294.19 and 114,288.36

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Solution

The fourth proportional to 211,085.28, 291,294.19 and 114,288.36 is: 157,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,085.28 : 291,294.19 = 114,288.36 : x
  2. Step 2: Convert to fraction form
    211,085.28/291,294.19 = 114,288.36/x
  3. Step 3: Cross multiply
    211,085.28x = 291,294.19 × 114,288.36
  4. Step 4: Simplify right side
    211,085.28x = 33,291,535,252.63
  5. Step 5: Solve for x
    x = 33,291,535,252.63/211,085.28
  6. Step 6: Final answer
    x = 157,716.04

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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.