Home / 130,176.96-179,571.91-75,723.00

Finding the Fourth Proportional to 130,176.96, 179,571.91 and 75,723.00

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Solution

The fourth proportional to 130,176.96, 179,571.91 and 75,723.00 is: 104,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,176.96 : 179,571.91 = 75,723.00 : x
  2. Step 2: Convert to fraction form
    130,176.96/179,571.91 = 75,723.00/x
  3. Step 3: Cross multiply
    130,176.96x = 179,571.91 × 75,723.00
  4. Step 4: Simplify right side
    130,176.96x = 13,597,722,843.07
  5. Step 5: Solve for x
    x = 13,597,722,843.07/130,176.96
  6. Step 6: Final answer
    x = 104,455.68

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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.