Home / 314,305.24-433,822.86-199,639

Finding the Fourth Proportional to 314,305.24, 433,822.86 and 199,639

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Solution

The fourth proportional to 314,305.24, 433,822.86 and 199,639 is: 275,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,305.24 : 433,822.86 = 199,639 : x
  2. Step 2: Convert to fraction form
    314,305.24/433,822.86 = 199,639/x
  3. Step 3: Cross multiply
    314,305.24x = 433,822.86 × 199,639
  4. Step 4: Simplify right side
    314,305.24x = 86,607,961,947.54
  5. Step 5: Solve for x
    x = 86,607,961,947.54/314,305.24
  6. Step 6: Final answer
    x = 275,553.67

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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.