Home / 127,228.20-190,842.30-33,743.40

Finding the Fourth Proportional to 127,228.20, 190,842.30 and 33,743.40

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Solution

The fourth proportional to 127,228.20, 190,842.30 and 33,743.40 is: 50,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,228.20 : 190,842.30 = 33,743.40 : x
  2. Step 2: Convert to fraction form
    127,228.20/190,842.30 = 33,743.40/x
  3. Step 3: Cross multiply
    127,228.20x = 190,842.30 × 33,743.40
  4. Step 4: Simplify right side
    127,228.20x = 6,439,668,065.82
  5. Step 5: Solve for x
    x = 6,439,668,065.82/127,228.20
  6. Step 6: Final answer
    x = 50,615.10

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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.