Home / 170,303.14-255,454.53-80,324.86

Finding the Fourth Proportional to 170,303.14, 255,454.53 and 80,324.86

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Solution

The fourth proportional to 170,303.14, 255,454.53 and 80,324.86 is: 120,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,303.14 : 255,454.53 = 80,324.86 : x
  2. Step 2: Convert to fraction form
    170,303.14/255,454.53 = 80,324.86/x
  3. Step 3: Cross multiply
    170,303.14x = 255,454.53 × 80,324.86
  4. Step 4: Simplify right side
    170,303.14x = 20,519,349,358.62
  5. Step 5: Solve for x
    x = 20,519,349,358.62/170,303.14
  6. Step 6: Final answer
    x = 120,487.21

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1.5x scale

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.