Home / 305,529.76-458,017.62-165,124.36

Finding the Fourth Proportional to 305,529.76, 458,017.62 and 165,124.36

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Solution

The fourth proportional to 305,529.76, 458,017.62 and 165,124.36 is: 247,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,529.76 : 458,017.62 = 165,124.36 : x
  2. Step 2: Convert to fraction form
    305,529.76/458,017.62 = 165,124.36/x
  3. Step 3: Cross multiply
    305,529.76x = 458,017.62 × 165,124.36
  4. Step 4: Simplify right side
    305,529.76x = 75,629,866,371.22
  5. Step 5: Solve for x
    x = 75,629,866,371.22/305,529.76
  6. Step 6: Final answer
    x = 247,536.82

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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.