Home / 208,333.36-312,518.50-58,574.96

Finding the Fourth Proportional to 208,333.36, 312,518.50 and 58,574.96

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Solution

The fourth proportional to 208,333.36, 312,518.50 and 58,574.96 is: 87,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,333.36 : 312,518.50 = 58,574.96 : x
  2. Step 2: Convert to fraction form
    208,333.36/312,518.50 = 58,574.96/x
  3. Step 3: Cross multiply
    208,333.36x = 312,518.50 × 58,574.96
  4. Step 4: Simplify right side
    208,333.36x = 18,305,756,927.73
  5. Step 5: Solve for x
    x = 18,305,756,927.73/208,333.36
  6. Step 6: Final answer
    x = 87,867.62

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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.