Home / 120,801.09-166,711.04-67,086.35

Finding the Fourth Proportional to 120,801.09, 166,711.04 and 67,086.35

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Solution

The fourth proportional to 120,801.09, 166,711.04 and 67,086.35 is: 92,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.09 : 166,711.04 = 67,086.35 : x
  2. Step 2: Convert to fraction form
    120,801.09/166,711.04 = 67,086.35/x
  3. Step 3: Cross multiply
    120,801.09x = 166,711.04 × 67,086.35
  4. Step 4: Simplify right side
    120,801.09x = 11,184,035,178.30
  5. Step 5: Solve for x
    x = 11,184,035,178.30/120,801.09
  6. Step 6: Final answer
    x = 92,582.24

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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.