Home / 186,379.44-279,577.80-53,278.62

Finding the Fourth Proportional to 186,379.44, 279,577.80 and 53,278.62

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Solution

The fourth proportional to 186,379.44, 279,577.80 and 53,278.62 is: 79,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,379.44 : 279,577.80 = 53,278.62 : x
  2. Step 2: Convert to fraction form
    186,379.44/279,577.80 = 53,278.62/x
  3. Step 3: Cross multiply
    186,379.44x = 279,577.80 × 53,278.62
  4. Step 4: Simplify right side
    186,379.44x = 14,895,519,366.64
  5. Step 5: Solve for x
    x = 14,895,519,366.64/186,379.44
  6. Step 6: Final answer
    x = 79,920.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.