Home / 126,805.27-174,996.54-70,216.64

Finding the Fourth Proportional to 126,805.27, 174,996.54 and 70,216.64

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Solution

The fourth proportional to 126,805.27, 174,996.54 and 70,216.64 is: 96,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.27 : 174,996.54 = 70,216.64 : x
  2. Step 2: Convert to fraction form
    126,805.27/174,996.54 = 70,216.64/x
  3. Step 3: Cross multiply
    126,805.27x = 174,996.54 × 70,216.64
  4. Step 4: Simplify right side
    126,805.27x = 12,287,669,050.43
  5. Step 5: Solve for x
    x = 12,287,669,050.43/126,805.27
  6. Step 6: Final answer
    x = 96,901.88

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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.