Home / 186,268.36-256,934.34-113,638.12

Finding the Fourth Proportional to 186,268.36, 256,934.34 and 113,638.12

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Solution

The fourth proportional to 186,268.36, 256,934.34 and 113,638.12 is: 156,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,268.36 : 256,934.34 = 113,638.12 : x
  2. Step 2: Convert to fraction form
    186,268.36/256,934.34 = 113,638.12/x
  3. Step 3: Cross multiply
    186,268.36x = 256,934.34 × 113,638.12
  4. Step 4: Simplify right side
    186,268.36x = 29,197,535,361.04
  5. Step 5: Solve for x
    x = 29,197,535,361.04/186,268.36
  6. Step 6: Final answer
    x = 156,749.84

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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.