Home / 307,850.37-424,721.31-180,501.36

Finding the Fourth Proportional to 307,850.37, 424,721.31 and 180,501.36

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Solution

The fourth proportional to 307,850.37, 424,721.31 and 180,501.36 is: 249,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,850.37 : 424,721.31 = 180,501.36 : x
  2. Step 2: Convert to fraction form
    307,850.37/424,721.31 = 180,501.36/x
  3. Step 3: Cross multiply
    307,850.37x = 424,721.31 × 180,501.36
  4. Step 4: Simplify right side
    307,850.37x = 76,662,774,075.98
  5. Step 5: Solve for x
    x = 76,662,774,075.98/307,850.37
  6. Step 6: Final answer
    x = 249,026.09

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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.