Home / 127,227.20-190,840.80-33,742.40

Finding the Fourth Proportional to 127,227.20, 190,840.80 and 33,742.40

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Solution

The fourth proportional to 127,227.20, 190,840.80 and 33,742.40 is: 50,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.20 : 190,840.80 = 33,742.40 : x
  2. Step 2: Convert to fraction form
    127,227.20/190,840.80 = 33,742.40/x
  3. Step 3: Cross multiply
    127,227.20x = 190,840.80 × 33,742.40
  4. Step 4: Simplify right side
    127,227.20x = 6,439,426,609.92
  5. Step 5: Solve for x
    x = 6,439,426,609.92/127,227.20
  6. Step 6: Final answer
    x = 50,613.60

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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.