Home / 383,151.33-528,765.26-213,385.46

Finding the Fourth Proportional to 383,151.33, 528,765.26 and 213,385.46

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Solution

The fourth proportional to 383,151.33, 528,765.26 and 213,385.46 is: 294,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,151.33 : 528,765.26 = 213,385.46 : x
  2. Step 2: Convert to fraction form
    383,151.33/528,765.26 = 213,385.46/x
  3. Step 3: Cross multiply
    383,151.33x = 528,765.26 × 213,385.46
  4. Step 4: Simplify right side
    383,151.33x = 112,830,814,526.37
  5. Step 5: Solve for x
    x = 112,830,814,526.37/383,151.33
  6. Step 6: Final answer
    x = 294,481.07

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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.