Home / 307,850.10-461,823.75-130,358.22

Finding the Fourth Proportional to 307,850.10, 461,823.75 and 130,358.22

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Solution

The fourth proportional to 307,850.10, 461,823.75 and 130,358.22 is: 195,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,850.10 : 461,823.75 = 130,358.22 : x
  2. Step 2: Convert to fraction form
    307,850.10/461,823.75 = 130,358.22/x
  3. Step 3: Cross multiply
    307,850.10x = 461,823.75 × 130,358.22
  4. Step 4: Simplify right side
    307,850.10x = 60,202,522,003.73
  5. Step 5: Solve for x
    x = 60,202,522,003.73/307,850.10
  6. Step 6: Final answer
    x = 195,557.91

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1.5x scale

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.