Home / 133,032.20-199,256.70-115,536.20

Finding the Fourth Proportional to 133,032.20, 199,256.70 and 115,536.20

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Solution

The fourth proportional to 133,032.20, 199,256.70 and 115,536.20 is: 173,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.20 : 199,256.70 = 115,536.20 : x
  2. Step 2: Convert to fraction form
    133,032.20/199,256.70 = 115,536.20/x
  3. Step 3: Cross multiply
    133,032.20x = 199,256.70 × 115,536.20
  4. Step 4: Simplify right side
    133,032.20x = 23,021,361,942.54
  5. Step 5: Solve for x
    x = 23,021,361,942.54/133,032.20
  6. Step 6: Final answer
    x = 173,051.05

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1.5x scale

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.