Home / 179,915.10-269,872.65-113,430.30

Finding the Fourth Proportional to 179,915.10, 269,872.65 and 113,430.30

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Solution

The fourth proportional to 179,915.10, 269,872.65 and 113,430.30 is: 170,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,915.10 : 269,872.65 = 113,430.30 : x
  2. Step 2: Convert to fraction form
    179,915.10/269,872.65 = 113,430.30/x
  3. Step 3: Cross multiply
    179,915.10x = 269,872.65 × 113,430.30
  4. Step 4: Simplify right side
    179,915.10x = 30,611,735,651.30
  5. Step 5: Solve for x
    x = 30,611,735,651.30/179,915.10
  6. Step 6: Final answer
    x = 170,145.45

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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.