Home / 211,059.68-291,262.23-115,566.35

Finding the Fourth Proportional to 211,059.68, 291,262.23 and 115,566.35

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Solution

The fourth proportional to 211,059.68, 291,262.23 and 115,566.35 is: 159,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,059.68 : 291,262.23 = 115,566.35 : x
  2. Step 2: Convert to fraction form
    211,059.68/291,262.23 = 115,566.35/x
  3. Step 3: Cross multiply
    211,059.68x = 291,262.23 × 115,566.35
  4. Step 4: Simplify right side
    211,059.68x = 33,660,111,357.65
  5. Step 5: Solve for x
    x = 33,660,111,357.65/211,059.68
  6. Step 6: Final answer
    x = 159,481.49

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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.