Home / 281,983.20-423,032.40-95,013.60

Finding the Fourth Proportional to 281,983.20, 423,032.40 and 95,013.60

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Solution

The fourth proportional to 281,983.20, 423,032.40 and 95,013.60 is: 142,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,983.20 : 423,032.40 = 95,013.60 : x
  2. Step 2: Convert to fraction form
    281,983.20/423,032.40 = 95,013.60/x
  3. Step 3: Cross multiply
    281,983.20x = 423,032.40 × 95,013.60
  4. Step 4: Simplify right side
    281,983.20x = 40,193,831,240.64
  5. Step 5: Solve for x
    x = 40,193,831,240.64/281,983.20
  6. Step 6: Final answer
    x = 142,539.81

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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.