Home / 376,371.18-519,390.90-204,289.16

Finding the Fourth Proportional to 376,371.18, 519,390.90 and 204,289.16

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Solution

The fourth proportional to 376,371.18, 519,390.90 and 204,289.16 is: 281,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,371.18 : 519,390.90 = 204,289.16 : x
  2. Step 2: Convert to fraction form
    376,371.18/519,390.90 = 204,289.16/x
  3. Step 3: Cross multiply
    376,371.18x = 519,390.90 × 204,289.16
  4. Step 4: Simplify right side
    376,371.18x = 106,105,928,075.69
  5. Step 5: Solve for x
    x = 106,105,928,075.69/376,371.18
  6. Step 6: Final answer
    x = 281,918.31

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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.