Home / 235,829.43-325,554.30-139,002.75

Finding the Fourth Proportional to 235,829.43, 325,554.30 and 139,002.75

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Solution

The fourth proportional to 235,829.43, 325,554.30 and 139,002.75 is: 191,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,829.43 : 325,554.30 = 139,002.75 : x
  2. Step 2: Convert to fraction form
    235,829.43/325,554.30 = 139,002.75/x
  3. Step 3: Cross multiply
    235,829.43x = 325,554.30 × 139,002.75
  4. Step 4: Simplify right side
    235,829.43x = 45,252,942,974.33
  5. Step 5: Solve for x
    x = 45,252,942,974.33/235,829.43
  6. Step 6: Final answer
    x = 191,888.45

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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.