Home / 307,822.20-461,747.70-97,476.60

Finding the Fourth Proportional to 307,822.20, 461,747.70 and 97,476.60

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Solution

The fourth proportional to 307,822.20, 461,747.70 and 97,476.60 is: 146,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,822.20 : 461,747.70 = 97,476.60 : x
  2. Step 2: Convert to fraction form
    307,822.20/461,747.70 = 97,476.60/x
  3. Step 3: Cross multiply
    307,822.20x = 461,747.70 × 97,476.60
  4. Step 4: Simplify right side
    307,822.20x = 45,009,595,853.82
  5. Step 5: Solve for x
    x = 45,009,595,853.82/307,822.20
  6. Step 6: Final answer
    x = 146,219.46

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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.