Home / 186,399.43-279,322.66-136,909.51

Finding the Fourth Proportional to 186,399.43, 279,322.66 and 136,909.51

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Solution

The fourth proportional to 186,399.43, 279,322.66 and 136,909.51 is: 205,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,399.43 : 279,322.66 = 136,909.51 : x
  2. Step 2: Convert to fraction form
    186,399.43/279,322.66 = 136,909.51/x
  3. Step 3: Cross multiply
    186,399.43x = 279,322.66 × 136,909.51
  4. Step 4: Simplify right side
    186,399.43x = 38,241,928,512.50
  5. Step 5: Solve for x
    x = 38,241,928,512.50/186,399.43
  6. Step 6: Final answer
    x = 205,161.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.