Home / 307,784.06-462,487.91-165,734.36

Finding the Fourth Proportional to 307,784.06, 462,487.91 and 165,734.36

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Solution

The fourth proportional to 307,784.06, 462,487.91 and 165,734.36 is: 249,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,784.06 : 462,487.91 = 165,734.36 : x
  2. Step 2: Convert to fraction form
    307,784.06/462,487.91 = 165,734.36/x
  3. Step 3: Cross multiply
    307,784.06x = 462,487.91 × 165,734.36
  4. Step 4: Simplify right side
    307,784.06x = 76,650,137,771.59
  5. Step 5: Solve for x
    x = 76,650,137,771.59/307,784.06
  6. Step 6: Final answer
    x = 249,038.69

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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.