Home / 118,211.58-163,133.82-67,222.98

Finding the Fourth Proportional to 118,211.58, 163,133.82 and 67,222.98

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Solution

The fourth proportional to 118,211.58, 163,133.82 and 67,222.98 is: 92,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,211.58 : 163,133.82 = 67,222.98 : x
  2. Step 2: Convert to fraction form
    118,211.58/163,133.82 = 67,222.98/x
  3. Step 3: Cross multiply
    118,211.58x = 163,133.82 × 67,222.98
  4. Step 4: Simplify right side
    118,211.58x = 10,966,341,519.18
  5. Step 5: Solve for x
    x = 10,966,341,519.18/118,211.58
  6. Step 6: Final answer
    x = 92,768.76

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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.