Home / 118,154.48-163,062.88-67,183.20

Finding the Fourth Proportional to 118,154.48, 163,062.88 and 67,183.20

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Solution

The fourth proportional to 118,154.48, 163,062.88 and 67,183.20 is: 92,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,154.48 : 163,062.88 = 67,183.20 : x
  2. Step 2: Convert to fraction form
    118,154.48/163,062.88 = 67,183.20/x
  3. Step 3: Cross multiply
    118,154.48x = 163,062.88 × 67,183.20
  4. Step 4: Simplify right side
    118,154.48x = 10,955,086,079.62
  5. Step 5: Solve for x
    x = 10,955,086,079.62/118,154.48
  6. Step 6: Final answer
    x = 92,718.33

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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.