Home / 126,948.96-190,188-63,694.80

Finding the Fourth Proportional to 126,948.96, 190,188 and 63,694.80

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Solution

The fourth proportional to 126,948.96, 190,188 and 63,694.80 is: 95,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.96 : 190,188 = 63,694.80 : x
  2. Step 2: Convert to fraction form
    126,948.96/190,188 = 63,694.80/x
  3. Step 3: Cross multiply
    126,948.96x = 190,188 × 63,694.80
  4. Step 4: Simplify right side
    126,948.96x = 12,113,986,622.40
  5. Step 5: Solve for x
    x = 12,113,986,622.40/126,948.96
  6. Step 6: Final answer
    x = 95,424.07

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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.