Home / 317,748.33-476,622.09-81,091.02

Finding the Fourth Proportional to 317,748.33, 476,622.09 and 81,091.02

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Solution

The fourth proportional to 317,748.33, 476,622.09 and 81,091.02 is: 121,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,748.33 : 476,622.09 = 81,091.02 : x
  2. Step 2: Convert to fraction form
    317,748.33/476,622.09 = 81,091.02/x
  3. Step 3: Cross multiply
    317,748.33x = 476,622.09 × 81,091.02
  4. Step 4: Simplify right side
    317,748.33x = 38,649,771,432.63
  5. Step 5: Solve for x
    x = 38,649,771,432.63/317,748.33
  6. Step 6: Final answer
    x = 121,636.43

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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.