Home / 377,865.19-521,451.67-208,098.10

Finding the Fourth Proportional to 377,865.19, 521,451.67 and 208,098.10

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Solution

The fourth proportional to 377,865.19, 521,451.67 and 208,098.10 is: 287,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,865.19 : 521,451.67 = 208,098.10 : x
  2. Step 2: Convert to fraction form
    377,865.19/521,451.67 = 208,098.10/x
  3. Step 3: Cross multiply
    377,865.19x = 521,451.67 × 208,098.10
  4. Step 4: Simplify right side
    377,865.19x = 108,513,099,161.57
  5. Step 5: Solve for x
    x = 108,513,099,161.57/377,865.19
  6. Step 6: Final answer
    x = 287,174.11

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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.