Home / 126,955.44-190,434.78-56,820.24

Finding the Fourth Proportional to 126,955.44, 190,434.78 and 56,820.24

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Solution

The fourth proportional to 126,955.44, 190,434.78 and 56,820.24 is: 85,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.44 : 190,434.78 = 56,820.24 : x
  2. Step 2: Convert to fraction form
    126,955.44/190,434.78 = 56,820.24/x
  3. Step 3: Cross multiply
    126,955.44x = 190,434.78 × 56,820.24
  4. Step 4: Simplify right side
    126,955.44x = 10,820,549,903.95
  5. Step 5: Solve for x
    x = 10,820,549,903.95/126,955.44
  6. Step 6: Final answer
    x = 85,231.09

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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.