Home / 320,887.89-481,325.36-110,521.17

Finding the Fourth Proportional to 320,887.89, 481,325.36 and 110,521.17

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Solution

The fourth proportional to 320,887.89, 481,325.36 and 110,521.17 is: 165,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,887.89 : 481,325.36 = 110,521.17 : x
  2. Step 2: Convert to fraction form
    320,887.89/481,325.36 = 110,521.17/x
  3. Step 3: Cross multiply
    320,887.89x = 481,325.36 × 110,521.17
  4. Step 4: Simplify right side
    320,887.89x = 53,196,641,385.27
  5. Step 5: Solve for x
    x = 53,196,641,385.27/320,887.89
  6. Step 6: Final answer
    x = 165,779.52

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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.