Home / 129,110.40-193,665.74-40,364.37

Finding the Fourth Proportional to 129,110.40, 193,665.74 and 40,364.37

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Solution

The fourth proportional to 129,110.40, 193,665.74 and 40,364.37 is: 60,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,110.40 : 193,665.74 = 40,364.37 : x
  2. Step 2: Convert to fraction form
    129,110.40/193,665.74 = 40,364.37/x
  3. Step 3: Cross multiply
    129,110.40x = 193,665.74 × 40,364.37
  4. Step 4: Simplify right side
    129,110.40x = 7,817,195,383.86
  5. Step 5: Solve for x
    x = 7,817,195,383.86/129,110.40
  6. Step 6: Final answer
    x = 60,546.60

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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.