Home / 118,306.97-163,261.40-67,318.55

Finding the Fourth Proportional to 118,306.97, 163,261.40 and 67,318.55

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Solution

The fourth proportional to 118,306.97, 163,261.40 and 67,318.55 is: 92,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.97 : 163,261.40 = 67,318.55 : x
  2. Step 2: Convert to fraction form
    118,306.97/163,261.40 = 67,318.55/x
  3. Step 3: Cross multiply
    118,306.97x = 163,261.40 × 67,318.55
  4. Step 4: Simplify right side
    118,306.97x = 10,990,519,566.07
  5. Step 5: Solve for x
    x = 10,990,519,566.07/118,306.97
  6. Step 6: Final answer
    x = 92,898.33

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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.