Home / 317,640.20-476,359.14-104,358.60

Finding the Fourth Proportional to 317,640.20, 476,359.14 and 104,358.60

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Solution

The fourth proportional to 317,640.20, 476,359.14 and 104,358.60 is: 156,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,640.20 : 476,359.14 = 104,358.60 : x
  2. Step 2: Convert to fraction form
    317,640.20/476,359.14 = 104,358.60/x
  3. Step 3: Cross multiply
    317,640.20x = 476,359.14 × 104,358.60
  4. Step 4: Simplify right side
    317,640.20x = 49,712,172,947.60
  5. Step 5: Solve for x
    x = 49,712,172,947.60/317,640.20
  6. Step 6: Final answer
    x = 156,504.66

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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.