Home / 115,206.04-158,923.66-79,333.88

Finding the Fourth Proportional to 115,206.04, 158,923.66 and 79,333.88

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Solution

The fourth proportional to 115,206.04, 158,923.66 and 79,333.88 is: 109,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.04 : 158,923.66 = 79,333.88 : x
  2. Step 2: Convert to fraction form
    115,206.04/158,923.66 = 79,333.88/x
  3. Step 3: Cross multiply
    115,206.04x = 158,923.66 × 79,333.88
  4. Step 4: Simplify right side
    115,206.04x = 12,608,030,571.60
  5. Step 5: Solve for x
    x = 12,608,030,571.60/115,206.04
  6. Step 6: Final answer
    x = 109,438.97

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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.