Home / 282,233.60-423,128.44-193,217.28

Finding the Fourth Proportional to 282,233.60, 423,128.44 and 193,217.28

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Solution

The fourth proportional to 282,233.60, 423,128.44 and 193,217.28 is: 289,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,233.60 : 423,128.44 = 193,217.28 : x
  2. Step 2: Convert to fraction form
    282,233.60/423,128.44 = 193,217.28/x
  3. Step 3: Cross multiply
    282,233.60x = 423,128.44 × 193,217.28
  4. Step 4: Simplify right side
    282,233.60x = 81,755,726,267.44
  5. Step 5: Solve for x
    x = 81,755,726,267.44/282,233.60
  6. Step 6: Final answer
    x = 289,673.97

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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.