Home / 173,302.23-259,984.05-78,528.58

Finding the Fourth Proportional to 173,302.23, 259,984.05 and 78,528.58

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Solution

The fourth proportional to 173,302.23, 259,984.05 and 78,528.58 is: 117,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,302.23 : 259,984.05 = 78,528.58 : x
  2. Step 2: Convert to fraction form
    173,302.23/259,984.05 = 78,528.58/x
  3. Step 3: Cross multiply
    173,302.23x = 259,984.05 × 78,528.58
  4. Step 4: Simplify right side
    173,302.23x = 20,416,178,269.15
  5. Step 5: Solve for x
    x = 20,416,178,269.15/173,302.23
  6. Step 6: Final answer
    x = 117,806.78

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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.