Home / 173,436.90-260,149.83-78,597.64

Finding the Fourth Proportional to 173,436.90, 260,149.83 and 78,597.64

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Solution

The fourth proportional to 173,436.90, 260,149.83 and 78,597.64 is: 117,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,436.90 : 260,149.83 = 78,597.64 : x
  2. Step 2: Convert to fraction form
    173,436.90/260,149.83 = 78,597.64/x
  3. Step 3: Cross multiply
    173,436.90x = 260,149.83 × 78,597.64
  4. Step 4: Simplify right side
    173,436.90x = 20,447,162,684.40
  5. Step 5: Solve for x
    x = 20,447,162,684.40/173,436.90
  6. Step 6: Final answer
    x = 117,893.96

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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.