Home / 235,120.62-324,466.38-127,690.68

Finding the Fourth Proportional to 235,120.62, 324,466.38 and 127,690.68

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Solution

The fourth proportional to 235,120.62, 324,466.38 and 127,690.68 is: 176,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,120.62 : 324,466.38 = 127,690.68 : x
  2. Step 2: Convert to fraction form
    235,120.62/324,466.38 = 127,690.68/x
  3. Step 3: Cross multiply
    235,120.62x = 324,466.38 × 127,690.68
  4. Step 4: Simplify right side
    235,120.62x = 41,431,332,699.34
  5. Step 5: Solve for x
    x = 41,431,332,699.34/235,120.62
  6. Step 6: Final answer
    x = 176,213.10

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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.