Home / 163,511.75-245,091.30-79,093.55

Finding the Fourth Proportional to 163,511.75, 245,091.30 and 79,093.55

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Solution

The fourth proportional to 163,511.75, 245,091.30 and 79,093.55 is: 118,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.75 : 245,091.30 = 79,093.55 : x
  2. Step 2: Convert to fraction form
    163,511.75/245,091.30 = 79,093.55/x
  3. Step 3: Cross multiply
    163,511.75x = 245,091.30 × 79,093.55
  4. Step 4: Simplify right side
    163,511.75x = 19,385,140,991.12
  5. Step 5: Solve for x
    x = 19,385,140,991.12/163,511.75
  6. Step 6: Final answer
    x = 118,555.03

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1.5x scale

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.