Home / 126,090.12-174,003.84-69,501.48

Finding the Fourth Proportional to 126,090.12, 174,003.84 and 69,501.48

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Solution

The fourth proportional to 126,090.12, 174,003.84 and 69,501.48 is: 95,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.12 : 174,003.84 = 69,501.48 : x
  2. Step 2: Convert to fraction form
    126,090.12/174,003.84 = 69,501.48/x
  3. Step 3: Cross multiply
    126,090.12x = 174,003.84 × 69,501.48
  4. Step 4: Simplify right side
    126,090.12x = 12,093,524,405.68
  5. Step 5: Solve for x
    x = 12,093,524,405.68/126,090.12
  6. Step 6: Final answer
    x = 95,911.75

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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.