Home / 317,748.88-476,623.05-81,091.54

Finding the Fourth Proportional to 317,748.88, 476,623.05 and 81,091.54

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Solution

The fourth proportional to 317,748.88, 476,623.05 and 81,091.54 is: 121,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,748.88 : 476,623.05 = 81,091.54 : x
  2. Step 2: Convert to fraction form
    317,748.88/476,623.05 = 81,091.54/x
  3. Step 3: Cross multiply
    317,748.88x = 476,623.05 × 81,091.54
  4. Step 4: Simplify right side
    317,748.88x = 38,650,097,124.00
  5. Step 5: Solve for x
    x = 38,650,097,124.00/317,748.88
  6. Step 6: Final answer
    x = 121,637.24

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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.