Home / 170,563.42-255,512.67-103,838.05

Finding the Fourth Proportional to 170,563.42, 255,512.67 and 103,838.05

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Solution

The fourth proportional to 170,563.42, 255,512.67 and 103,838.05 is: 155,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,563.42 : 255,512.67 = 103,838.05 : x
  2. Step 2: Convert to fraction form
    170,563.42/255,512.67 = 103,838.05/x
  3. Step 3: Cross multiply
    170,563.42x = 255,512.67 × 103,838.05
  4. Step 4: Simplify right side
    170,563.42x = 26,531,935,865.94
  5. Step 5: Solve for x
    x = 26,531,935,865.94/170,563.42
  6. Step 6: Final answer
    x = 155,554.67

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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.