Home / 129,343.70-178,444.72-95,433.05

Finding the Fourth Proportional to 129,343.70, 178,444.72 and 95,433.05

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Solution

The fourth proportional to 129,343.70, 178,444.72 and 95,433.05 is: 131,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,343.70 : 178,444.72 = 95,433.05 : x
  2. Step 2: Convert to fraction form
    129,343.70/178,444.72 = 95,433.05/x
  3. Step 3: Cross multiply
    129,343.70x = 178,444.72 × 95,433.05
  4. Step 4: Simplify right side
    129,343.70x = 17,029,524,451.40
  5. Step 5: Solve for x
    x = 17,029,524,451.40/129,343.70
  6. Step 6: Final answer
    x = 131,661.03

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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.