Home / 170,003.10-255,004.65-102,351.90

Finding the Fourth Proportional to 170,003.10, 255,004.65 and 102,351.90

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Solution

The fourth proportional to 170,003.10, 255,004.65 and 102,351.90 is: 153,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,003.10 : 255,004.65 = 102,351.90 : x
  2. Step 2: Convert to fraction form
    170,003.10/255,004.65 = 102,351.90/x
  3. Step 3: Cross multiply
    170,003.10x = 255,004.65 × 102,351.90
  4. Step 4: Simplify right side
    170,003.10x = 26,100,210,436.34
  5. Step 5: Solve for x
    x = 26,100,210,436.34/170,003.10
  6. Step 6: Final answer
    x = 153,527.85

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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.