Home / 211,084.35-291,296.55-115,591.07

Finding the Fourth Proportional to 211,084.35, 291,296.55 and 115,591.07

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Solution

The fourth proportional to 211,084.35, 291,296.55 and 115,591.07 is: 159,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,084.35 : 291,296.55 = 115,591.07 : x
  2. Step 2: Convert to fraction form
    211,084.35/291,296.55 = 115,591.07/x
  3. Step 3: Cross multiply
    211,084.35x = 291,296.55 × 115,591.07
  4. Step 4: Simplify right side
    211,084.35x = 33,671,278,445.33
  5. Step 5: Solve for x
    x = 33,671,278,445.33/211,084.35
  6. Step 6: Final answer
    x = 159,515.75

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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.