Home / 118,658.26-163,707.67-67,634.18

Finding the Fourth Proportional to 118,658.26, 163,707.67 and 67,634.18

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Solution

The fourth proportional to 118,658.26, 163,707.67 and 67,634.18 is: 93,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.26 : 163,707.67 = 67,634.18 : x
  2. Step 2: Convert to fraction form
    118,658.26/163,707.67 = 67,634.18/x
  3. Step 3: Cross multiply
    118,658.26x = 163,707.67 × 67,634.18
  4. Step 4: Simplify right side
    118,658.26x = 11,072,234,020.16
  5. Step 5: Solve for x
    x = 11,072,234,020.16/118,658.26
  6. Step 6: Final answer
    x = 93,311.95

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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.