Home / 190,239.55-262,521.21-104,198.90

Finding the Fourth Proportional to 190,239.55, 262,521.21 and 104,198.90

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Solution

The fourth proportional to 190,239.55, 262,521.21 and 104,198.90 is: 143,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,239.55 : 262,521.21 = 104,198.90 : x
  2. Step 2: Convert to fraction form
    190,239.55/262,521.21 = 104,198.90/x
  3. Step 3: Cross multiply
    190,239.55x = 262,521.21 × 104,198.90
  4. Step 4: Simplify right side
    190,239.55x = 27,354,421,308.67
  5. Step 5: Solve for x
    x = 27,354,421,308.67/190,239.55
  6. Step 6: Final answer
    x = 143,789.35

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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.