Home / 317,746.92-476,620.04-81,089.60

Finding the Fourth Proportional to 317,746.92, 476,620.04 and 81,089.60

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Solution

The fourth proportional to 317,746.92, 476,620.04 and 81,089.60 is: 121,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,746.92 : 476,620.04 = 81,089.60 : x
  2. Step 2: Convert to fraction form
    317,746.92/476,620.04 = 81,089.60/x
  3. Step 3: Cross multiply
    317,746.92x = 476,620.04 × 81,089.60
  4. Step 4: Simplify right side
    317,746.92x = 38,648,928,395.58
  5. Step 5: Solve for x
    x = 38,648,928,395.58/317,746.92
  6. Step 6: Final answer
    x = 121,634.31

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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.