Home / 126,163.06-174,097.06-72,410.24

Finding the Fourth Proportional to 126,163.06, 174,097.06 and 72,410.24

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Solution

The fourth proportional to 126,163.06, 174,097.06 and 72,410.24 is: 99,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,163.06 : 174,097.06 = 72,410.24 : x
  2. Step 2: Convert to fraction form
    126,163.06/174,097.06 = 72,410.24/x
  3. Step 3: Cross multiply
    126,163.06x = 174,097.06 × 72,410.24
  4. Step 4: Simplify right side
    126,163.06x = 12,606,409,897.89
  5. Step 5: Solve for x
    x = 12,606,409,897.89/126,163.06
  6. Step 6: Final answer
    x = 99,921.56

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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.