Home / 186,574.90-279,921.54-66,629.24

Finding the Fourth Proportional to 186,574.90, 279,921.54 and 66,629.24

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Solution

The fourth proportional to 186,574.90, 279,921.54 and 66,629.24 is: 99,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,574.90 : 279,921.54 = 66,629.24 : x
  2. Step 2: Convert to fraction form
    186,574.90/279,921.54 = 66,629.24/x
  3. Step 3: Cross multiply
    186,574.90x = 279,921.54 × 66,629.24
  4. Step 4: Simplify right side
    186,574.90x = 18,650,959,469.83
  5. Step 5: Solve for x
    x = 18,650,959,469.83/186,574.90
  6. Step 6: Final answer
    x = 99,965.00

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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.