Home / 282,233.84-423,128.80-193,217.54

Finding the Fourth Proportional to 282,233.84, 423,128.80 and 193,217.54

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Solution

The fourth proportional to 282,233.84, 423,128.80 and 193,217.54 is: 289,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,233.84 : 423,128.80 = 193,217.54 : x
  2. Step 2: Convert to fraction form
    282,233.84/423,128.80 = 193,217.54/x
  3. Step 3: Cross multiply
    282,233.84x = 423,128.80 × 193,217.54
  4. Step 4: Simplify right side
    282,233.84x = 81,755,905,839.15
  5. Step 5: Solve for x
    x = 81,755,905,839.15/282,233.84
  6. Step 6: Final answer
    x = 289,674.36

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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.