Home / 159,766.54-221,409.85-157,511.50

Finding the Fourth Proportional to 159,766.54, 221,409.85 and 157,511.50

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Solution

The fourth proportional to 159,766.54, 221,409.85 and 157,511.50 is: 218,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,766.54 : 221,409.85 = 157,511.50 : x
  2. Step 2: Convert to fraction form
    159,766.54/221,409.85 = 157,511.50/x
  3. Step 3: Cross multiply
    159,766.54x = 221,409.85 × 157,511.50
  4. Step 4: Simplify right side
    159,766.54x = 34,874,597,588.28
  5. Step 5: Solve for x
    x = 34,874,597,588.28/159,766.54
  6. Step 6: Final answer
    x = 218,284.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.