Home / 186,723.09-257,633.55-106,144.25

Finding the Fourth Proportional to 186,723.09, 257,633.55 and 106,144.25

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Solution

The fourth proportional to 186,723.09, 257,633.55 and 106,144.25 is: 146,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,723.09 : 257,633.55 = 106,144.25 : x
  2. Step 2: Convert to fraction form
    186,723.09/257,633.55 = 106,144.25/x
  3. Step 3: Cross multiply
    186,723.09x = 257,633.55 × 106,144.25
  4. Step 4: Simplify right side
    186,723.09x = 27,346,318,651.42
  5. Step 5: Solve for x
    x = 27,346,318,651.42/186,723.09
  6. Step 6: Final answer
    x = 146,453.87

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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.