Home / 307,532.40-461,428.20-167,391.60

Finding the Fourth Proportional to 307,532.40, 461,428.20 and 167,391.60

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Solution

The fourth proportional to 307,532.40, 461,428.20 and 167,391.60 is: 251,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,532.40 : 461,428.20 = 167,391.60 : x
  2. Step 2: Convert to fraction form
    307,532.40/461,428.20 = 167,391.60/x
  3. Step 3: Cross multiply
    307,532.40x = 461,428.20 × 167,391.60
  4. Step 4: Simplify right side
    307,532.40x = 77,239,204,683.12
  5. Step 5: Solve for x
    x = 77,239,204,683.12/307,532.40
  6. Step 6: Final answer
    x = 251,157.94

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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.