Home / 188,506.18-260,138.55-107,960.41

Finding the Fourth Proportional to 188,506.18, 260,138.55 and 107,960.41

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Solution

The fourth proportional to 188,506.18, 260,138.55 and 107,960.41 is: 148,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,506.18 : 260,138.55 = 107,960.41 : x
  2. Step 2: Convert to fraction form
    188,506.18/260,138.55 = 107,960.41/x
  3. Step 3: Cross multiply
    188,506.18x = 260,138.55 × 107,960.41
  4. Step 4: Simplify right side
    188,506.18x = 28,084,664,514.81
  5. Step 5: Solve for x
    x = 28,084,664,514.81/188,506.18
  6. Step 6: Final answer
    x = 148,985.38

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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.