Home / 377,923.98-521,535.07-208,158.11

Finding the Fourth Proportional to 377,923.98, 521,535.07 and 208,158.11

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Solution

The fourth proportional to 377,923.98, 521,535.07 and 208,158.11 is: 287,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,923.98 : 521,535.07 = 208,158.11 : x
  2. Step 2: Convert to fraction form
    377,923.98/521,535.07 = 208,158.11/x
  3. Step 3: Cross multiply
    377,923.98x = 521,535.07 × 208,158.11
  4. Step 4: Simplify right side
    377,923.98x = 108,561,750,821.45
  5. Step 5: Solve for x
    x = 108,561,750,821.45/377,923.98
  6. Step 6: Final answer
    x = 287,258.17

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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.