Home / 211,377.55-291,699.48-115,882.60

Finding the Fourth Proportional to 211,377.55, 291,699.48 and 115,882.60

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Solution

The fourth proportional to 211,377.55, 291,699.48 and 115,882.60 is: 159,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,377.55 : 291,699.48 = 115,882.60 : x
  2. Step 2: Convert to fraction form
    211,377.55/291,699.48 = 115,882.60/x
  3. Step 3: Cross multiply
    211,377.55x = 291,699.48 × 115,882.60
  4. Step 4: Simplify right side
    211,377.55x = 33,802,894,161.05
  5. Step 5: Solve for x
    x = 33,802,894,161.05/211,377.55
  6. Step 6: Final answer
    x = 159,917.14

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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.