Home / 421,634.24-632,435.52-106,087.04

Finding the Fourth Proportional to 421,634.24, 632,435.52 and 106,087.04

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Solution

The fourth proportional to 421,634.24, 632,435.52 and 106,087.04 is: 159,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,634.24 : 632,435.52 = 106,087.04 : x
  2. Step 2: Convert to fraction form
    421,634.24/632,435.52 = 106,087.04/x
  3. Step 3: Cross multiply
    421,634.24x = 632,435.52 × 106,087.04
  4. Step 4: Simplify right side
    421,634.24x = 67,093,212,307.66
  5. Step 5: Solve for x
    x = 67,093,212,307.66/421,634.24
  6. Step 6: Final answer
    x = 159,126.57

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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.