Home / 127,222.28-190,840.38-38,473.64

Finding the Fourth Proportional to 127,222.28, 190,840.38 and 38,473.64

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Solution

The fourth proportional to 127,222.28, 190,840.38 and 38,473.64 is: 57,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,222.28 : 190,840.38 = 38,473.64 : x
  2. Step 2: Convert to fraction form
    127,222.28/190,840.38 = 38,473.64/x
  3. Step 3: Cross multiply
    127,222.28x = 190,840.38 × 38,473.64
  4. Step 4: Simplify right side
    127,222.28x = 7,342,324,077.58
  5. Step 5: Solve for x
    x = 7,342,324,077.58/127,222.28
  6. Step 6: Final answer
    x = 57,712.56

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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.