Home / 186,639.09-257,550.84-106,055.43

Finding the Fourth Proportional to 186,639.09, 257,550.84 and 106,055.43

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Solution

The fourth proportional to 186,639.09, 257,550.84 and 106,055.43 is: 146,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639.09 : 257,550.84 = 106,055.43 : x
  2. Step 2: Convert to fraction form
    186,639.09/257,550.84 = 106,055.43/x
  3. Step 3: Cross multiply
    186,639.09x = 257,550.84 × 106,055.43
  4. Step 4: Simplify right side
    186,639.09x = 27,314,665,083.06
  5. Step 5: Solve for x
    x = 27,314,665,083.06/186,639.09
  6. Step 6: Final answer
    x = 146,350.18

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1.5x scale

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.