Home / 126,955.28-190,459.56-38,215.28

Finding the Fourth Proportional to 126,955.28, 190,459.56 and 38,215.28

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Solution

The fourth proportional to 126,955.28, 190,459.56 and 38,215.28 is: 57,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.28 : 190,459.56 = 38,215.28 : x
  2. Step 2: Convert to fraction form
    126,955.28/190,459.56 = 38,215.28/x
  3. Step 3: Cross multiply
    126,955.28x = 190,459.56 × 38,215.28
  4. Step 4: Simplify right side
    126,955.28x = 7,278,465,414.08
  5. Step 5: Solve for x
    x = 7,278,465,414.08/126,955.28
  6. Step 6: Final answer
    x = 57,330.94

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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.