Home / 377,964.01-521,590.35-208,198.12

Finding the Fourth Proportional to 377,964.01, 521,590.35 and 208,198.12

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Solution

The fourth proportional to 377,964.01, 521,590.35 and 208,198.12 is: 287,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,964.01 : 521,590.35 = 208,198.12 : x
  2. Step 2: Convert to fraction form
    377,964.01/521,590.35 = 208,198.12/x
  3. Step 3: Cross multiply
    377,964.01x = 521,590.35 × 208,198.12
  4. Step 4: Simplify right side
    377,964.01x = 108,594,130,280.14
  5. Step 5: Solve for x
    x = 108,594,130,280.14/377,964.01
  6. Step 6: Final answer
    x = 287,313.41

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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.