Home / 126,289.56-174,274.50-69,700.20

Finding the Fourth Proportional to 126,289.56, 174,274.50 and 69,700.20

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Solution

The fourth proportional to 126,289.56, 174,274.50 and 69,700.20 is: 96,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,289.56 : 174,274.50 = 69,700.20 : x
  2. Step 2: Convert to fraction form
    126,289.56/174,274.50 = 69,700.20/x
  3. Step 3: Cross multiply
    126,289.56x = 174,274.50 × 69,700.20
  4. Step 4: Simplify right side
    126,289.56x = 12,146,967,504.90
  5. Step 5: Solve for x
    x = 12,146,967,504.90/126,289.56
  6. Step 6: Final answer
    x = 96,183.47

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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.