Home / 154,506.41-231,845.73-83,427.55

Finding the Fourth Proportional to 154,506.41, 231,845.73 and 83,427.55

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Solution

The fourth proportional to 154,506.41, 231,845.73 and 83,427.55 is: 125,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,506.41 : 231,845.73 = 83,427.55 : x
  2. Step 2: Convert to fraction form
    154,506.41/231,845.73 = 83,427.55/x
  3. Step 3: Cross multiply
    154,506.41x = 231,845.73 × 83,427.55
  4. Step 4: Simplify right side
    154,506.41x = 19,342,321,231.86
  5. Step 5: Solve for x
    x = 19,342,321,231.86/154,506.41
  6. Step 6: Final answer
    x = 125,187.82

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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.