Home / 352,031.04-485,675.28-231,237.36

Finding the Fourth Proportional to 352,031.04, 485,675.28 and 231,237.36

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Solution

The fourth proportional to 352,031.04, 485,675.28 and 231,237.36 is: 319,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,031.04 : 485,675.28 = 231,237.36 : x
  2. Step 2: Convert to fraction form
    352,031.04/485,675.28 = 231,237.36/x
  3. Step 3: Cross multiply
    352,031.04x = 485,675.28 × 231,237.36
  4. Step 4: Simplify right side
    352,031.04x = 112,306,269,564.46
  5. Step 5: Solve for x
    x = 112,306,269,564.46/352,031.04
  6. Step 6: Final answer
    x = 319,023.77

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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.