Home / 126,853.46-190,142.65-63,520.90

Finding the Fourth Proportional to 126,853.46, 190,142.65 and 63,520.90

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Solution

The fourth proportional to 126,853.46, 190,142.65 and 63,520.90 is: 95,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.46 : 190,142.65 = 63,520.90 : x
  2. Step 2: Convert to fraction form
    126,853.46/190,142.65 = 63,520.90/x
  3. Step 3: Cross multiply
    126,853.46x = 190,142.65 × 63,520.90
  4. Step 4: Simplify right side
    126,853.46x = 12,078,032,573.46
  5. Step 5: Solve for x
    x = 12,078,032,573.46/126,853.46
  6. Step 6: Final answer
    x = 95,212.48

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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.