Home / 186,935.72-257,986.01-106,366.64

Finding the Fourth Proportional to 186,935.72, 257,986.01 and 106,366.64

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Solution

The fourth proportional to 186,935.72, 257,986.01 and 106,366.64 is: 146,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,935.72 : 257,986.01 = 106,366.64 : x
  2. Step 2: Convert to fraction form
    186,935.72/257,986.01 = 106,366.64/x
  3. Step 3: Cross multiply
    186,935.72x = 257,986.01 × 106,366.64
  4. Step 4: Simplify right side
    186,935.72x = 27,441,104,026.69
  5. Step 5: Solve for x
    x = 27,441,104,026.69/186,935.72
  6. Step 6: Final answer
    x = 146,794.34

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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.