Home / 126,422.36-189,633.48-37,673.60

Finding the Fourth Proportional to 126,422.36, 189,633.48 and 37,673.60

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Solution

The fourth proportional to 126,422.36, 189,633.48 and 37,673.60 is: 56,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,422.36 : 189,633.48 = 37,673.60 : x
  2. Step 2: Convert to fraction form
    126,422.36/189,633.48 = 37,673.60/x
  3. Step 3: Cross multiply
    126,422.36x = 189,633.48 × 37,673.60
  4. Step 4: Simplify right side
    126,422.36x = 7,144,175,872.13
  5. Step 5: Solve for x
    x = 7,144,175,872.13/126,422.36
  6. Step 6: Final answer
    x = 56,510.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.