Home / 126,770.04-190,143.72-38,043.36

Finding the Fourth Proportional to 126,770.04, 190,143.72 and 38,043.36

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Solution

The fourth proportional to 126,770.04, 190,143.72 and 38,043.36 is: 57,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,770.04 : 190,143.72 = 38,043.36 : x
  2. Step 2: Convert to fraction form
    126,770.04/190,143.72 = 38,043.36/x
  3. Step 3: Cross multiply
    126,770.04x = 190,143.72 × 38,043.36
  4. Step 4: Simplify right side
    126,770.04x = 7,233,705,991.70
  5. Step 5: Solve for x
    x = 7,233,705,991.70/126,770.04
  6. Step 6: Final answer
    x = 57,061.64

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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.