Home / 192,830.55-289,365.29-93,000.75

Finding the Fourth Proportional to 192,830.55, 289,365.29 and 93,000.75

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Solution

The fourth proportional to 192,830.55, 289,365.29 and 93,000.75 is: 139,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830.55 : 289,365.29 = 93,000.75 : x
  2. Step 2: Convert to fraction form
    192,830.55/289,365.29 = 93,000.75/x
  3. Step 3: Cross multiply
    192,830.55x = 289,365.29 × 93,000.75
  4. Step 4: Simplify right side
    192,830.55x = 26,911,188,993.97
  5. Step 5: Solve for x
    x = 26,911,188,993.97/192,830.55
  6. Step 6: Final answer
    x = 139,558.74

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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.