Home / 118,215.43-163,137.23-75,773.93

Finding the Fourth Proportional to 118,215.43, 163,137.23 and 75,773.93

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Solution

The fourth proportional to 118,215.43, 163,137.23 and 75,773.93 is: 104,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,215.43 : 163,137.23 = 75,773.93 : x
  2. Step 2: Convert to fraction form
    118,215.43/163,137.23 = 75,773.93/x
  3. Step 3: Cross multiply
    118,215.43x = 163,137.23 × 75,773.93
  4. Step 4: Simplify right side
    118,215.43x = 12,361,548,230.73
  5. Step 5: Solve for x
    x = 12,361,548,230.73/118,215.43
  6. Step 6: Final answer
    x = 104,567.98

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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.