Home / 126,163.28-173,924.48-99,259.20

Finding the Fourth Proportional to 126,163.28, 173,924.48 and 99,259.20

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Solution

The fourth proportional to 126,163.28, 173,924.48 and 99,259.20 is: 136,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,163.28 : 173,924.48 = 99,259.20 : x
  2. Step 2: Convert to fraction form
    126,163.28/173,924.48 = 99,259.20/x
  3. Step 3: Cross multiply
    126,163.28x = 173,924.48 × 99,259.20
  4. Step 4: Simplify right side
    126,163.28x = 17,263,604,745.22
  5. Step 5: Solve for x
    x = 17,263,604,745.22/126,163.28
  6. Step 6: Final answer
    x = 136,835.41

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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.