Home / 126,024.12-189,900.36-104,324.40

Finding the Fourth Proportional to 126,024.12, 189,900.36 and 104,324.40

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Solution

The fourth proportional to 126,024.12, 189,900.36 and 104,324.40 is: 157,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024.12 : 189,900.36 = 104,324.40 : x
  2. Step 2: Convert to fraction form
    126,024.12/189,900.36 = 104,324.40/x
  3. Step 3: Cross multiply
    126,024.12x = 189,900.36 × 104,324.40
  4. Step 4: Simplify right side
    126,024.12x = 19,811,241,116.78
  5. Step 5: Solve for x
    x = 19,811,241,116.78/126,024.12
  6. Step 6: Final answer
    x = 157,201.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.