Home / 186,938.94-279,916.32-111,881.10

Finding the Fourth Proportional to 186,938.94, 279,916.32 and 111,881.10

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Solution

The fourth proportional to 186,938.94, 279,916.32 and 111,881.10 is: 167,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,938.94 : 279,916.32 = 111,881.10 : x
  2. Step 2: Convert to fraction form
    186,938.94/279,916.32 = 111,881.10/x
  3. Step 3: Cross multiply
    186,938.94x = 279,916.32 × 111,881.10
  4. Step 4: Simplify right side
    186,938.94x = 31,317,345,789.55
  5. Step 5: Solve for x
    x = 31,317,345,789.55/186,938.94
  6. Step 6: Final answer
    x = 167,527.14

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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.