Home / 173,432.79-260,145.13-79,938.54

Finding the Fourth Proportional to 173,432.79, 260,145.13 and 79,938.54

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Solution

The fourth proportional to 173,432.79, 260,145.13 and 79,938.54 is: 119,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,432.79 : 260,145.13 = 79,938.54 : x
  2. Step 2: Convert to fraction form
    173,432.79/260,145.13 = 79,938.54/x
  3. Step 3: Cross multiply
    173,432.79x = 260,145.13 × 79,938.54
  4. Step 4: Simplify right side
    173,432.79x = 20,795,621,880.31
  5. Step 5: Solve for x
    x = 20,795,621,880.31/173,432.79
  6. Step 6: Final answer
    x = 119,905.94

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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.