Home / 126,789.75-174,975.32-70,201.13

Finding the Fourth Proportional to 126,789.75, 174,975.32 and 70,201.13

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Solution

The fourth proportional to 126,789.75, 174,975.32 and 70,201.13 is: 96,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.75 : 174,975.32 = 70,201.13 : x
  2. Step 2: Convert to fraction form
    126,789.75/174,975.32 = 70,201.13/x
  3. Step 3: Cross multiply
    126,789.75x = 174,975.32 × 70,201.13
  4. Step 4: Simplify right side
    126,789.75x = 12,283,465,186.11
  5. Step 5: Solve for x
    x = 12,283,465,186.11/126,789.75
  6. Step 6: Final answer
    x = 96,880.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.