Home / 320,008.19-480,012.14-95,362.89

Finding the Fourth Proportional to 320,008.19, 480,012.14 and 95,362.89

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Solution

The fourth proportional to 320,008.19, 480,012.14 and 95,362.89 is: 143,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,008.19 : 480,012.14 = 95,362.89 : x
  2. Step 2: Convert to fraction form
    320,008.19/480,012.14 = 95,362.89/x
  3. Step 3: Cross multiply
    320,008.19x = 480,012.14 × 95,362.89
  4. Step 4: Simplify right side
    320,008.19x = 45,775,346,228.72
  5. Step 5: Solve for x
    x = 45,775,346,228.72/320,008.19
  6. Step 6: Final answer
    x = 143,044.29

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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.