Home / 126,618.28-174,722.34-70,015.48

Finding the Fourth Proportional to 126,618.28, 174,722.34 and 70,015.48

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Solution

The fourth proportional to 126,618.28, 174,722.34 and 70,015.48 is: 96,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,618.28 : 174,722.34 = 70,015.48 : x
  2. Step 2: Convert to fraction form
    126,618.28/174,722.34 = 70,015.48/x
  3. Step 3: Cross multiply
    126,618.28x = 174,722.34 × 70,015.48
  4. Step 4: Simplify right side
    126,618.28x = 12,233,268,501.82
  5. Step 5: Solve for x
    x = 12,233,268,501.82/126,618.28
  6. Step 6: Final answer
    x = 96,615.34

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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.