Home / 431,983.08-648,263.85-179,263.82

Finding the Fourth Proportional to 431,983.08, 648,263.85 and 179,263.82

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Solution

The fourth proportional to 431,983.08, 648,263.85 and 179,263.82 is: 269,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,983.08 : 648,263.85 = 179,263.82 : x
  2. Step 2: Convert to fraction form
    431,983.08/648,263.85 = 179,263.82/x
  3. Step 3: Cross multiply
    431,983.08x = 648,263.85 × 179,263.82
  4. Step 4: Simplify right side
    431,983.08x = 116,210,250,877.59
  5. Step 5: Solve for x
    x = 116,210,250,877.59/431,983.08
  6. Step 6: Final answer
    x = 269,015.75

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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.