Home / 118,246.11-163,183.45-67,257.53

Finding the Fourth Proportional to 118,246.11, 163,183.45 and 67,257.53

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Solution

The fourth proportional to 118,246.11, 163,183.45 and 67,257.53 is: 92,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.11 : 163,183.45 = 67,257.53 : x
  2. Step 2: Convert to fraction form
    118,246.11/163,183.45 = 67,257.53/x
  3. Step 3: Cross multiply
    118,246.11x = 163,183.45 × 67,257.53
  4. Step 4: Simplify right side
    118,246.11x = 10,975,316,489.78
  5. Step 5: Solve for x
    x = 10,975,316,489.78/118,246.11
  6. Step 6: Final answer
    x = 92,817.57

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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.