Home / 211,087.26-291,300.78-114,292.08

Finding the Fourth Proportional to 211,087.26, 291,300.78 and 114,292.08

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Solution

The fourth proportional to 211,087.26, 291,300.78 and 114,292.08 is: 157,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,087.26 : 291,300.78 = 114,292.08 : x
  2. Step 2: Convert to fraction form
    211,087.26/291,300.78 = 114,292.08/x
  3. Step 3: Cross multiply
    211,087.26x = 291,300.78 × 114,292.08
  4. Step 4: Simplify right side
    211,087.26x = 33,293,372,051.82
  5. Step 5: Solve for x
    x = 33,293,372,051.82/211,087.26
  6. Step 6: Final answer
    x = 157,723.27

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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.