Home / 126,189.80-174,147.06-69,604.76

Finding the Fourth Proportional to 126,189.80, 174,147.06 and 69,604.76

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Solution

The fourth proportional to 126,189.80, 174,147.06 and 69,604.76 is: 96,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.80 : 174,147.06 = 69,604.76 : x
  2. Step 2: Convert to fraction form
    126,189.80/174,147.06 = 69,604.76/x
  3. Step 3: Cross multiply
    126,189.80x = 174,147.06 × 69,604.76
  4. Step 4: Simplify right side
    126,189.80x = 12,121,464,316.01
  5. Step 5: Solve for x
    x = 12,121,464,316.01/126,189.80
  6. Step 6: Final answer
    x = 96,057.40

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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.