Home / 170,381.20-255,621.16-70,522.96

Finding the Fourth Proportional to 170,381.20, 255,621.16 and 70,522.96

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Solution

The fourth proportional to 170,381.20, 255,621.16 and 70,522.96 is: 105,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,381.20 : 255,621.16 = 70,522.96 : x
  2. Step 2: Convert to fraction form
    170,381.20/255,621.16 = 70,522.96/x
  3. Step 3: Cross multiply
    170,381.20x = 255,621.16 × 70,522.96
  4. Step 4: Simplify right side
    170,381.20x = 18,027,160,841.83
  5. Step 5: Solve for x
    x = 18,027,160,841.83/170,381.20
  6. Step 6: Final answer
    x = 105,804.87

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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.