Home / 211,185.20-291,435.56-126,302.26

Finding the Fourth Proportional to 211,185.20, 291,435.56 and 126,302.26

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Solution

The fourth proportional to 211,185.20, 291,435.56 and 126,302.26 is: 174,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,185.20 : 291,435.56 = 126,302.26 : x
  2. Step 2: Convert to fraction form
    211,185.20/291,435.56 = 126,302.26/x
  3. Step 3: Cross multiply
    211,185.20x = 291,435.56 × 126,302.26
  4. Step 4: Simplify right side
    211,185.20x = 36,808,969,872.37
  5. Step 5: Solve for x
    x = 36,808,969,872.37/211,185.20
  6. Step 6: Final answer
    x = 174,297.11

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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.