Home / 313,166.10-469,746.90-76,506.60

Finding the Fourth Proportional to 313,166.10, 469,746.90 and 76,506.60

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Solution

The fourth proportional to 313,166.10, 469,746.90 and 76,506.60 is: 114,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,166.10 : 469,746.90 = 76,506.60 : x
  2. Step 2: Convert to fraction form
    313,166.10/469,746.90 = 76,506.60/x
  3. Step 3: Cross multiply
    313,166.10x = 469,746.90 × 76,506.60
  4. Step 4: Simplify right side
    313,166.10x = 35,938,738,179.54
  5. Step 5: Solve for x
    x = 35,938,738,179.54/313,166.10
  6. Step 6: Final answer
    x = 114,759.35

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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.