Home / 126,793.50-190,221.88-38,048.64

Finding the Fourth Proportional to 126,793.50, 190,221.88 and 38,048.64

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Solution

The fourth proportional to 126,793.50, 190,221.88 and 38,048.64 is: 57,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,793.50 : 190,221.88 = 38,048.64 : x
  2. Step 2: Convert to fraction form
    126,793.50/190,221.88 = 38,048.64/x
  3. Step 3: Cross multiply
    126,793.50x = 190,221.88 × 38,048.64
  4. Step 4: Simplify right side
    126,793.50x = 7,237,683,832.24
  5. Step 5: Solve for x
    x = 7,237,683,832.24/126,793.50
  6. Step 6: Final answer
    x = 57,082.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.