Home / 118,401.35-163,394.01-67,411.85

Finding the Fourth Proportional to 118,401.35, 163,394.01 and 67,411.85

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Solution

The fourth proportional to 118,401.35, 163,394.01 and 67,411.85 is: 93,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,401.35 : 163,394.01 = 67,411.85 : x
  2. Step 2: Convert to fraction form
    118,401.35/163,394.01 = 67,411.85/x
  3. Step 3: Cross multiply
    118,401.35x = 163,394.01 × 67,411.85
  4. Step 4: Simplify right side
    118,401.35x = 11,014,691,676.05
  5. Step 5: Solve for x
    x = 11,014,691,676.05/118,401.35
  6. Step 6: Final answer
    x = 93,028.43

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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.