Home / 127,213.40-190,820.10-116,132.60

Finding the Fourth Proportional to 127,213.40, 190,820.10 and 116,132.60

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Solution

The fourth proportional to 127,213.40, 190,820.10 and 116,132.60 is: 174,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,213.40 : 190,820.10 = 116,132.60 : x
  2. Step 2: Convert to fraction form
    127,213.40/190,820.10 = 116,132.60/x
  3. Step 3: Cross multiply
    127,213.40x = 190,820.10 × 116,132.60
  4. Step 4: Simplify right side
    127,213.40x = 22,160,434,345.26
  5. Step 5: Solve for x
    x = 22,160,434,345.26/127,213.40
  6. Step 6: Final answer
    x = 174,198.90

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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.