Home / 208,245.48-312,368.20-50,473.93

Finding the Fourth Proportional to 208,245.48, 312,368.20 and 50,473.93

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Solution

The fourth proportional to 208,245.48, 312,368.20 and 50,473.93 is: 75,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,245.48 : 312,368.20 = 50,473.93 : x
  2. Step 2: Convert to fraction form
    208,245.48/312,368.20 = 50,473.93/x
  3. Step 3: Cross multiply
    208,245.48x = 312,368.20 × 50,473.93
  4. Step 4: Simplify right side
    208,245.48x = 15,766,450,661.03
  5. Step 5: Solve for x
    x = 15,766,450,661.03/208,245.48
  6. Step 6: Final answer
    x = 75,710.89

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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.