Home / 289,584.36-434,854.26-195,419.52

Finding the Fourth Proportional to 289,584.36, 434,854.26 and 195,419.52

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Solution

The fourth proportional to 289,584.36, 434,854.26 and 195,419.52 is: 293,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,584.36 : 434,854.26 = 195,419.52 : x
  2. Step 2: Convert to fraction form
    289,584.36/434,854.26 = 195,419.52/x
  3. Step 3: Cross multiply
    289,584.36x = 434,854.26 × 195,419.52
  4. Step 4: Simplify right side
    289,584.36x = 84,979,010,759.16
  5. Step 5: Solve for x
    x = 84,979,010,759.16/289,584.36
  6. Step 6: Final answer
    x = 293,451.66

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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.