Home / 186,578.64-279,896.04-66,626.28

Finding the Fourth Proportional to 186,578.64, 279,896.04 and 66,626.28

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Solution

The fourth proportional to 186,578.64, 279,896.04 and 66,626.28 is: 99,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,578.64 : 279,896.04 = 66,626.28 : x
  2. Step 2: Convert to fraction form
    186,578.64/279,896.04 = 66,626.28/x
  3. Step 3: Cross multiply
    186,578.64x = 279,896.04 × 66,626.28
  4. Step 4: Simplify right side
    186,578.64x = 18,648,431,931.93
  5. Step 5: Solve for x
    x = 18,648,431,931.93/186,578.64
  6. Step 6: Final answer
    x = 99,949.45

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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.