Home / 128,850.85-193,228.88-44,589.38

Finding the Fourth Proportional to 128,850.85, 193,228.88 and 44,589.38

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Solution

The fourth proportional to 128,850.85, 193,228.88 and 44,589.38 is: 66,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,850.85 : 193,228.88 = 44,589.38 : x
  2. Step 2: Convert to fraction form
    128,850.85/193,228.88 = 44,589.38/x
  3. Step 3: Cross multiply
    128,850.85x = 193,228.88 × 44,589.38
  4. Step 4: Simplify right side
    128,850.85x = 8,615,955,957.29
  5. Step 5: Solve for x
    x = 8,615,955,957.29/128,850.85
  6. Step 6: Final answer
    x = 66,867.67

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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.