Home / 211,027.68-291,216.06-115,533.54

Finding the Fourth Proportional to 211,027.68, 291,216.06 and 115,533.54

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Solution

The fourth proportional to 211,027.68, 291,216.06 and 115,533.54 is: 159,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.68 : 291,216.06 = 115,533.54 : x
  2. Step 2: Convert to fraction form
    211,027.68/291,216.06 = 115,533.54/x
  3. Step 3: Cross multiply
    211,027.68x = 291,216.06 × 115,533.54
  4. Step 4: Simplify right side
    211,027.68x = 33,645,222,316.65
  5. Step 5: Solve for x
    x = 33,645,222,316.65/211,027.68
  6. Step 6: Final answer
    x = 159,435.11

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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.