Home / 211,081.55-291,292.62-114,285.39

Finding the Fourth Proportional to 211,081.55, 291,292.62 and 114,285.39

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Solution

The fourth proportional to 211,081.55, 291,292.62 and 114,285.39 is: 157,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,081.55 : 291,292.62 = 114,285.39 : x
  2. Step 2: Convert to fraction form
    211,081.55/291,292.62 = 114,285.39/x
  3. Step 3: Cross multiply
    211,081.55x = 291,292.62 × 114,285.39
  4. Step 4: Simplify right side
    211,081.55x = 33,290,490,248.64
  5. Step 5: Solve for x
    x = 33,290,490,248.64/211,081.55
  6. Step 6: Final answer
    x = 157,713.88

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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.