Home / 194,128.04-291,262.12-67,786.90

Finding the Fourth Proportional to 194,128.04, 291,262.12 and 67,786.90

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Solution

The fourth proportional to 194,128.04, 291,262.12 and 67,786.90 is: 101,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,128.04 : 291,262.12 = 67,786.90 : x
  2. Step 2: Convert to fraction form
    194,128.04/291,262.12 = 67,786.90/x
  3. Step 3: Cross multiply
    194,128.04x = 291,262.12 × 67,786.90
  4. Step 4: Simplify right side
    194,128.04x = 19,743,756,202.23
  5. Step 5: Solve for x
    x = 19,743,756,202.23/194,128.04
  6. Step 6: Final answer
    x = 101,704.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.