Home / 118,225.82-163,155.22-67,245.88

Finding the Fourth Proportional to 118,225.82, 163,155.22 and 67,245.88

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Solution

The fourth proportional to 118,225.82, 163,155.22 and 67,245.88 is: 92,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,225.82 : 163,155.22 = 67,245.88 : x
  2. Step 2: Convert to fraction form
    118,225.82/163,155.22 = 67,245.88/x
  3. Step 3: Cross multiply
    118,225.82x = 163,155.22 × 67,245.88
  4. Step 4: Simplify right side
    118,225.82x = 10,971,516,345.49
  5. Step 5: Solve for x
    x = 10,971,516,345.49/118,225.82
  6. Step 6: Final answer
    x = 92,801.36

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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.