Home / 165,210.83-247,940.88-76,526.56

Finding the Fourth Proportional to 165,210.83, 247,940.88 and 76,526.56

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Solution

The fourth proportional to 165,210.83, 247,940.88 and 76,526.56 is: 114,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,210.83 : 247,940.88 = 76,526.56 : x
  2. Step 2: Convert to fraction form
    165,210.83/247,940.88 = 76,526.56/x
  3. Step 3: Cross multiply
    165,210.83x = 247,940.88 × 76,526.56
  4. Step 4: Simplify right side
    165,210.83x = 18,974,062,629.77
  5. Step 5: Solve for x
    x = 18,974,062,629.77/165,210.83
  6. Step 6: Final answer
    x = 114,847.57

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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.