Home / 362,140.65-499,815.94-209,151.34

Finding the Fourth Proportional to 362,140.65, 499,815.94 and 209,151.34

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Solution

The fourth proportional to 362,140.65, 499,815.94 and 209,151.34 is: 288,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.65 : 499,815.94 = 209,151.34 : x
  2. Step 2: Convert to fraction form
    362,140.65/499,815.94 = 209,151.34/x
  3. Step 3: Cross multiply
    362,140.65x = 499,815.94 × 209,151.34
  4. Step 4: Simplify right side
    362,140.65x = 104,537,171,105.28
  5. Step 5: Solve for x
    x = 104,537,171,105.28/362,140.65
  6. Step 6: Final answer
    x = 288,664.56

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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.