Home / 211,290.06-291,450.75-172,584.12

Finding the Fourth Proportional to 211,290.06, 291,450.75 and 172,584.12

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Solution

The fourth proportional to 211,290.06, 291,450.75 and 172,584.12 is: 238,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,290.06 : 291,450.75 = 172,584.12 : x
  2. Step 2: Convert to fraction form
    211,290.06/291,450.75 = 172,584.12/x
  3. Step 3: Cross multiply
    211,290.06x = 291,450.75 × 172,584.12
  4. Step 4: Simplify right side
    211,290.06x = 50,299,771,212.09
  5. Step 5: Solve for x
    x = 50,299,771,212.09/211,290.06
  6. Step 6: Final answer
    x = 238,060.28

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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.