Home / 118,194.74-163,102.11-67,200.28

Finding the Fourth Proportional to 118,194.74, 163,102.11 and 67,200.28

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Solution

The fourth proportional to 118,194.74, 163,102.11 and 67,200.28 is: 92,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.74 : 163,102.11 = 67,200.28 : x
  2. Step 2: Convert to fraction form
    118,194.74/163,102.11 = 67,200.28/x
  3. Step 3: Cross multiply
    118,194.74x = 163,102.11 × 67,200.28
  4. Step 4: Simplify right side
    118,194.74x = 10,960,507,718.28
  5. Step 5: Solve for x
    x = 10,960,507,718.28/118,194.74
  6. Step 6: Final answer
    x = 92,732.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.