Home / 126,218.28-174,176.06-69,629.64

Finding the Fourth Proportional to 126,218.28, 174,176.06 and 69,629.64

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Solution

The fourth proportional to 126,218.28, 174,176.06 and 69,629.64 is: 96,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.28 : 174,176.06 = 69,629.64 : x
  2. Step 2: Convert to fraction form
    126,218.28/174,176.06 = 69,629.64/x
  3. Step 3: Cross multiply
    126,218.28x = 174,176.06 × 69,629.64
  4. Step 4: Simplify right side
    126,218.28x = 12,127,816,354.42
  5. Step 5: Solve for x
    x = 12,127,816,354.42/126,218.28
  6. Step 6: Final answer
    x = 96,086.05

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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.