Home / 193,175.78-266,589.50-112,590.32

Finding the Fourth Proportional to 193,175.78, 266,589.50 and 112,590.32

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Solution

The fourth proportional to 193,175.78, 266,589.50 and 112,590.32 is: 155,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,175.78 : 266,589.50 = 112,590.32 : x
  2. Step 2: Convert to fraction form
    193,175.78/266,589.50 = 112,590.32/x
  3. Step 3: Cross multiply
    193,175.78x = 266,589.50 × 112,590.32
  4. Step 4: Simplify right side
    193,175.78x = 30,015,395,217.74
  5. Step 5: Solve for x
    x = 30,015,395,217.74/193,175.78
  6. Step 6: Final answer
    x = 155,378.67

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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.