Home / 355,128.75-490,074.77-193,983.84

Finding the Fourth Proportional to 355,128.75, 490,074.77 and 193,983.84

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Solution

The fourth proportional to 355,128.75, 490,074.77 and 193,983.84 is: 267,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,128.75 : 490,074.77 = 193,983.84 : x
  2. Step 2: Convert to fraction form
    355,128.75/490,074.77 = 193,983.84/x
  3. Step 3: Cross multiply
    355,128.75x = 490,074.77 × 193,983.84
  4. Step 4: Simplify right side
    355,128.75x = 95,066,586,256.68
  5. Step 5: Solve for x
    x = 95,066,586,256.68/355,128.75
  6. Step 6: Final answer
    x = 267,696.11

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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.