Home / 186,579.47-257,479.07-101,696.54

Finding the Fourth Proportional to 186,579.47, 257,479.07 and 101,696.54

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Solution

The fourth proportional to 186,579.47, 257,479.07 and 101,696.54 is: 140,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,579.47 : 257,479.07 = 101,696.54 : x
  2. Step 2: Convert to fraction form
    186,579.47/257,479.07 = 101,696.54/x
  3. Step 3: Cross multiply
    186,579.47x = 257,479.07 × 101,696.54
  4. Step 4: Simplify right side
    186,579.47x = 26,184,728,745.54
  5. Step 5: Solve for x
    x = 26,184,728,745.54/186,579.47
  6. Step 6: Final answer
    x = 140,340.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.