Home / 186,096.34-279,157.85-77,916.84

Finding the Fourth Proportional to 186,096.34, 279,157.85 and 77,916.84

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Solution

The fourth proportional to 186,096.34, 279,157.85 and 77,916.84 is: 116,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,096.34 : 279,157.85 = 77,916.84 : x
  2. Step 2: Convert to fraction form
    186,096.34/279,157.85 = 77,916.84/x
  3. Step 3: Cross multiply
    186,096.34x = 279,157.85 × 77,916.84
  4. Step 4: Simplify right side
    186,096.34x = 21,751,097,727.99
  5. Step 5: Solve for x
    x = 21,751,097,727.99/186,096.34
  6. Step 6: Final answer
    x = 116,880.85

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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.