Home / 282,436.54-423,634.30-92,894.72

Finding the Fourth Proportional to 282,436.54, 423,634.30 and 92,894.72

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Solution

The fourth proportional to 282,436.54, 423,634.30 and 92,894.72 is: 139,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,436.54 : 423,634.30 = 92,894.72 : x
  2. Step 2: Convert to fraction form
    282,436.54/423,634.30 = 92,894.72/x
  3. Step 3: Cross multiply
    282,436.54x = 423,634.30 × 92,894.72
  4. Step 4: Simplify right side
    282,436.54x = 39,353,389,680.90
  5. Step 5: Solve for x
    x = 39,353,389,680.90/282,436.54
  6. Step 6: Final answer
    x = 139,335.33

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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.