Home / 186,492.38-279,406.87-107,443.26

Finding the Fourth Proportional to 186,492.38, 279,406.87 and 107,443.26

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Solution

The fourth proportional to 186,492.38, 279,406.87 and 107,443.26 is: 160,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,492.38 : 279,406.87 = 107,443.26 : x
  2. Step 2: Convert to fraction form
    186,492.38/279,406.87 = 107,443.26/x
  3. Step 3: Cross multiply
    186,492.38x = 279,406.87 × 107,443.26
  4. Step 4: Simplify right side
    186,492.38x = 30,020,384,710.59
  5. Step 5: Solve for x
    x = 30,020,384,710.59/186,492.38
  6. Step 6: Final answer
    x = 160,973.79

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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.