Home / 117,527.42-162,171.51-69,131.54

Finding the Fourth Proportional to 117,527.42, 162,171.51 and 69,131.54

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Solution

The fourth proportional to 117,527.42, 162,171.51 and 69,131.54 is: 95,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,527.42 : 162,171.51 = 69,131.54 : x
  2. Step 2: Convert to fraction form
    117,527.42/162,171.51 = 69,131.54/x
  3. Step 3: Cross multiply
    117,527.42x = 162,171.51 × 69,131.54
  4. Step 4: Simplify right side
    117,527.42x = 11,211,166,230.43
  5. Step 5: Solve for x
    x = 11,211,166,230.43/117,527.42
  6. Step 6: Final answer
    x = 95,391.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.