Home / 126,656.01-190,201.59-112,456.46

Finding the Fourth Proportional to 126,656.01, 190,201.59 and 112,456.46

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Solution

The fourth proportional to 126,656.01, 190,201.59 and 112,456.46 is: 168,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656.01 : 190,201.59 = 112,456.46 : x
  2. Step 2: Convert to fraction form
    126,656.01/190,201.59 = 112,456.46/x
  3. Step 3: Cross multiply
    126,656.01x = 190,201.59 × 112,456.46
  4. Step 4: Simplify right side
    126,656.01x = 21,389,397,973.28
  5. Step 5: Solve for x
    x = 21,389,397,973.28/126,656.01
  6. Step 6: Final answer
    x = 168,877.88

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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.