Home / 205,205.37-307,340.55-167,709.39

Finding the Fourth Proportional to 205,205.37, 307,340.55 and 167,709.39

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Solution

The fourth proportional to 205,205.37, 307,340.55 and 167,709.39 is: 251,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,205.37 : 307,340.55 = 167,709.39 : x
  2. Step 2: Convert to fraction form
    205,205.37/307,340.55 = 167,709.39/x
  3. Step 3: Cross multiply
    205,205.37x = 307,340.55 × 167,709.39
  4. Step 4: Simplify right side
    205,205.37x = 51,543,896,162.76
  5. Step 5: Solve for x
    x = 51,543,896,162.76/205,205.37
  6. Step 6: Final answer
    x = 251,182.00

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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.