Home / 307,585.23-461,402-82,942.28

Finding the Fourth Proportional to 307,585.23, 461,402 and 82,942.28

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Solution

The fourth proportional to 307,585.23, 461,402 and 82,942.28 is: 124,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,585.23 : 461,402 = 82,942.28 : x
  2. Step 2: Convert to fraction form
    307,585.23/461,402 = 82,942.28/x
  3. Step 3: Cross multiply
    307,585.23x = 461,402 × 82,942.28
  4. Step 4: Simplify right side
    307,585.23x = 38,269,733,876.56
  5. Step 5: Solve for x
    x = 38,269,733,876.56/307,585.23
  6. Step 6: Final answer
    x = 124,419.93

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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.