Home / 320,582.52-480,939.36-110,193.12

Finding the Fourth Proportional to 320,582.52, 480,939.36 and 110,193.12

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Solution

The fourth proportional to 320,582.52, 480,939.36 and 110,193.12 is: 165,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,582.52 : 480,939.36 = 110,193.12 : x
  2. Step 2: Convert to fraction form
    320,582.52/480,939.36 = 110,193.12/x
  3. Step 3: Cross multiply
    320,582.52x = 480,939.36 × 110,193.12
  4. Step 4: Simplify right side
    320,582.52x = 52,996,208,609.20
  5. Step 5: Solve for x
    x = 52,996,208,609.20/320,582.52
  6. Step 6: Final answer
    x = 165,312.22

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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.