Home / 186,446.40-257,280.35-104,768.43

Finding the Fourth Proportional to 186,446.40, 257,280.35 and 104,768.43

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Solution

The fourth proportional to 186,446.40, 257,280.35 and 104,768.43 is: 144,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,446.40 : 257,280.35 = 104,768.43 : x
  2. Step 2: Convert to fraction form
    186,446.40/257,280.35 = 104,768.43/x
  3. Step 3: Cross multiply
    186,446.40x = 257,280.35 × 104,768.43
  4. Step 4: Simplify right side
    186,446.40x = 26,954,857,815.51
  5. Step 5: Solve for x
    x = 26,954,857,815.51/186,446.40
  6. Step 6: Final answer
    x = 144,571.62

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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.