Home / 211,087.30-291,298.39-114,290.68

Finding the Fourth Proportional to 211,087.30, 291,298.39 and 114,290.68

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Solution

The fourth proportional to 211,087.30, 291,298.39 and 114,290.68 is: 157,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,087.30 : 291,298.39 = 114,290.68 : x
  2. Step 2: Convert to fraction form
    211,087.30/291,298.39 = 114,290.68/x
  3. Step 3: Cross multiply
    211,087.30x = 291,298.39 × 114,290.68
  4. Step 4: Simplify right side
    211,087.30x = 33,292,691,076.01
  5. Step 5: Solve for x
    x = 33,292,691,076.01/211,087.30
  6. Step 6: Final answer
    x = 157,720.01

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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.