Home / 211,185.44-291,435.90-126,302.50

Finding the Fourth Proportional to 211,185.44, 291,435.90 and 126,302.50

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Solution

The fourth proportional to 211,185.44, 291,435.90 and 126,302.50 is: 174,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,185.44 : 291,435.90 = 126,302.50 : x
  2. Step 2: Convert to fraction form
    211,185.44/291,435.90 = 126,302.50/x
  3. Step 3: Cross multiply
    211,185.44x = 291,435.90 × 126,302.50
  4. Step 4: Simplify right side
    211,185.44x = 36,809,082,759.75
  5. Step 5: Solve for x
    x = 36,809,082,759.75/211,185.44
  6. Step 6: Final answer
    x = 174,297.45

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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.