Home / 186,664.24-279,996.38-74,423.28

Finding the Fourth Proportional to 186,664.24, 279,996.38 and 74,423.28

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Solution

The fourth proportional to 186,664.24, 279,996.38 and 74,423.28 is: 111,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,664.24 : 279,996.38 = 74,423.28 : x
  2. Step 2: Convert to fraction form
    186,664.24/279,996.38 = 74,423.28/x
  3. Step 3: Cross multiply
    186,664.24x = 279,996.38 × 74,423.28
  4. Step 4: Simplify right side
    186,664.24x = 20,838,249,233.63
  5. Step 5: Solve for x
    x = 20,838,249,233.63/186,664.24
  6. Step 6: Final answer
    x = 111,634.93

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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.