Home / 186,724.43-279,943.09-96,670.61

Finding the Fourth Proportional to 186,724.43, 279,943.09 and 96,670.61

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Solution

The fourth proportional to 186,724.43, 279,943.09 and 96,670.61 is: 144,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.43 : 279,943.09 = 96,670.61 : x
  2. Step 2: Convert to fraction form
    186,724.43/279,943.09 = 96,670.61/x
  3. Step 3: Cross multiply
    186,724.43x = 279,943.09 × 96,670.61
  4. Step 4: Simplify right side
    186,724.43x = 27,062,268,955.87
  5. Step 5: Solve for x
    x = 27,062,268,955.87/186,724.43
  6. Step 6: Final answer
    x = 144,931.59

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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.