Home / 186,682.45-257,637.09-106,135.24

Finding the Fourth Proportional to 186,682.45, 257,637.09 and 106,135.24

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Solution

The fourth proportional to 186,682.45, 257,637.09 and 106,135.24 is: 146,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,682.45 : 257,637.09 = 106,135.24 : x
  2. Step 2: Convert to fraction form
    186,682.45/257,637.09 = 106,135.24/x
  3. Step 3: Cross multiply
    186,682.45x = 257,637.09 × 106,135.24
  4. Step 4: Simplify right side
    186,682.45x = 27,344,374,380.05
  5. Step 5: Solve for x
    x = 27,344,374,380.05/186,682.45
  6. Step 6: Final answer
    x = 146,475.33

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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.