Home / 170,183.95-255,433.53-86,003.35

Finding the Fourth Proportional to 170,183.95, 255,433.53 and 86,003.35

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Solution

The fourth proportional to 170,183.95, 255,433.53 and 86,003.35 is: 129,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,183.95 : 255,433.53 = 86,003.35 : x
  2. Step 2: Convert to fraction form
    170,183.95/255,433.53 = 86,003.35/x
  3. Step 3: Cross multiply
    170,183.95x = 255,433.53 × 86,003.35
  4. Step 4: Simplify right side
    170,183.95x = 21,968,139,282.33
  5. Step 5: Solve for x
    x = 21,968,139,282.33/170,183.95
  6. Step 6: Final answer
    x = 129,084.67

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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.