Home / 211,105.20-291,325.56-114,310.08

Finding the Fourth Proportional to 211,105.20, 291,325.56 and 114,310.08

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Solution

The fourth proportional to 211,105.20, 291,325.56 and 114,310.08 is: 157,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,105.20 : 291,325.56 = 114,310.08 : x
  2. Step 2: Convert to fraction form
    211,105.20/291,325.56 = 114,310.08/x
  3. Step 3: Cross multiply
    211,105.20x = 291,325.56 × 114,310.08
  4. Step 4: Simplify right side
    211,105.20x = 33,301,448,069.64
  5. Step 5: Solve for x
    x = 33,301,448,069.64/211,105.20
  6. Step 6: Final answer
    x = 157,748.12

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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.