Home / 186,919.89-257,914.94-106,342.71

Finding the Fourth Proportional to 186,919.89, 257,914.94 and 106,342.71

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Solution

The fourth proportional to 186,919.89, 257,914.94 and 106,342.71 is: 146,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,919.89 : 257,914.94 = 106,342.71 : x
  2. Step 2: Convert to fraction form
    186,919.89/257,914.94 = 106,342.71/x
  3. Step 3: Cross multiply
    186,919.89x = 257,914.94 × 106,342.71
  4. Step 4: Simplify right side
    186,919.89x = 27,427,373,669.09
  5. Step 5: Solve for x
    x = 27,427,373,669.09/186,919.89
  6. Step 6: Final answer
    x = 146,733.31

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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.