Home / 208,260.67-312,326.35-75,123.60

Finding the Fourth Proportional to 208,260.67, 312,326.35 and 75,123.60

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Solution

The fourth proportional to 208,260.67, 312,326.35 and 75,123.60 is: 112,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,260.67 : 312,326.35 = 75,123.60 : x
  2. Step 2: Convert to fraction form
    208,260.67/312,326.35 = 75,123.60/x
  3. Step 3: Cross multiply
    208,260.67x = 312,326.35 × 75,123.60
  4. Step 4: Simplify right side
    208,260.67x = 23,463,079,786.86
  5. Step 5: Solve for x
    x = 23,463,079,786.86/208,260.67
  6. Step 6: Final answer
    x = 112,662.08

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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.