Home / 208,269.75-312,416.73-58,521.72

Finding the Fourth Proportional to 208,269.75, 312,416.73 and 58,521.72

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Solution

The fourth proportional to 208,269.75, 312,416.73 and 58,521.72 is: 87,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,269.75 : 312,416.73 = 58,521.72 : x
  2. Step 2: Convert to fraction form
    208,269.75/312,416.73 = 58,521.72/x
  3. Step 3: Cross multiply
    208,269.75x = 312,416.73 × 58,521.72
  4. Step 4: Simplify right side
    208,269.75x = 18,283,164,396.38
  5. Step 5: Solve for x
    x = 18,283,164,396.38/208,269.75
  6. Step 6: Final answer
    x = 87,785.98

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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.