Home / 211,598.30-291,987.06-120,936.26

Finding the Fourth Proportional to 211,598.30, 291,987.06 and 120,936.26

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Solution

The fourth proportional to 211,598.30, 291,987.06 and 120,936.26 is: 166,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,598.30 : 291,987.06 = 120,936.26 : x
  2. Step 2: Convert to fraction form
    211,598.30/291,987.06 = 120,936.26/x
  3. Step 3: Cross multiply
    211,598.30x = 291,987.06 × 120,936.26
  4. Step 4: Simplify right side
    211,598.30x = 35,311,823,004.80
  5. Step 5: Solve for x
    x = 35,311,823,004.80/211,598.30
  6. Step 6: Final answer
    x = 166,881.41

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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.