Home / 118,213.66-163,134.02-67,226.38

Finding the Fourth Proportional to 118,213.66, 163,134.02 and 67,226.38

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Solution

The fourth proportional to 118,213.66, 163,134.02 and 67,226.38 is: 92,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,213.66 : 163,134.02 = 67,226.38 : x
  2. Step 2: Convert to fraction form
    118,213.66/163,134.02 = 67,226.38/x
  3. Step 3: Cross multiply
    118,213.66x = 163,134.02 × 67,226.38
  4. Step 4: Simplify right side
    118,213.66x = 10,966,909,619.45
  5. Step 5: Solve for x
    x = 10,966,909,619.45/118,213.66
  6. Step 6: Final answer
    x = 92,771.93

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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.