Home / 130,084.96-179,546.23-79,086.91

Finding the Fourth Proportional to 130,084.96, 179,546.23 and 79,086.91

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Solution

The fourth proportional to 130,084.96, 179,546.23 and 79,086.91 is: 109,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,084.96 : 179,546.23 = 79,086.91 : x
  2. Step 2: Convert to fraction form
    130,084.96/179,546.23 = 79,086.91/x
  3. Step 3: Cross multiply
    130,084.96x = 179,546.23 × 79,086.91
  4. Step 4: Simplify right side
    130,084.96x = 14,199,756,532.85
  5. Step 5: Solve for x
    x = 14,199,756,532.85/130,084.96
  6. Step 6: Final answer
    x = 109,157.56

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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.