Home / 118,247.35-163,185.15-67,258.76

Finding the Fourth Proportional to 118,247.35, 163,185.15 and 67,258.76

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Solution

The fourth proportional to 118,247.35, 163,185.15 and 67,258.76 is: 92,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,247.35 : 163,185.15 = 67,258.76 : x
  2. Step 2: Convert to fraction form
    118,247.35/163,185.15 = 67,258.76/x
  3. Step 3: Cross multiply
    118,247.35x = 163,185.15 × 67,258.76
  4. Step 4: Simplify right side
    118,247.35x = 10,975,630,839.41
  5. Step 5: Solve for x
    x = 10,975,630,839.41/118,247.35
  6. Step 6: Final answer
    x = 92,819.26

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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.