Home / 186,618.72-257,540.64-106,059.84

Finding the Fourth Proportional to 186,618.72, 257,540.64 and 106,059.84

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Solution

The fourth proportional to 186,618.72, 257,540.64 and 106,059.84 is: 146,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,618.72 : 257,540.64 = 106,059.84 : x
  2. Step 2: Convert to fraction form
    186,618.72/257,540.64 = 106,059.84/x
  3. Step 3: Cross multiply
    186,618.72x = 257,540.64 × 106,059.84
  4. Step 4: Simplify right side
    186,618.72x = 27,314,719,071.90
  5. Step 5: Solve for x
    x = 27,314,719,071.90/186,618.72
  6. Step 6: Final answer
    x = 146,366.45

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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.