Home / 307,192.65-423,801.56-186,289.83

Finding the Fourth Proportional to 307,192.65, 423,801.56 and 186,289.83

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Solution

The fourth proportional to 307,192.65, 423,801.56 and 186,289.83 is: 257,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,192.65 : 423,801.56 = 186,289.83 : x
  2. Step 2: Convert to fraction form
    307,192.65/423,801.56 = 186,289.83/x
  3. Step 3: Cross multiply
    307,192.65x = 423,801.56 × 186,289.83
  4. Step 4: Simplify right side
    307,192.65x = 78,949,919,634.69
  5. Step 5: Solve for x
    x = 78,949,919,634.69/307,192.65
  6. Step 6: Final answer
    x = 257,004.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.