Home / 161,506.85-222,648.48-113,611.55

Finding the Fourth Proportional to 161,506.85, 222,648.48 and 113,611.55

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Solution

The fourth proportional to 161,506.85, 222,648.48 and 113,611.55 is: 156,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,506.85 : 222,648.48 = 113,611.55 : x
  2. Step 2: Convert to fraction form
    161,506.85/222,648.48 = 113,611.55/x
  3. Step 3: Cross multiply
    161,506.85x = 222,648.48 × 113,611.55
  4. Step 4: Simplify right side
    161,506.85x = 25,295,437,804.70
  5. Step 5: Solve for x
    x = 25,295,437,804.70/161,506.85
  6. Step 6: Final answer
    x = 156,621.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.