Home / 126,853.06-190,142.04-63,520.50

Finding the Fourth Proportional to 126,853.06, 190,142.04 and 63,520.50

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Solution

The fourth proportional to 126,853.06, 190,142.04 and 63,520.50 is: 95,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.06 : 190,142.04 = 63,520.50 : x
  2. Step 2: Convert to fraction form
    126,853.06/190,142.04 = 63,520.50/x
  3. Step 3: Cross multiply
    126,853.06x = 190,142.04 × 63,520.50
  4. Step 4: Simplify right side
    126,853.06x = 12,077,917,451.82
  5. Step 5: Solve for x
    x = 12,077,917,451.82/126,853.06
  6. Step 6: Final answer
    x = 95,211.87

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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.