Home / 120,768.49-166,665.72-67,053.51

Finding the Fourth Proportional to 120,768.49, 166,665.72 and 67,053.51

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Solution

The fourth proportional to 120,768.49, 166,665.72 and 67,053.51 is: 92,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,768.49 : 166,665.72 = 67,053.51 : x
  2. Step 2: Convert to fraction form
    120,768.49/166,665.72 = 67,053.51/x
  3. Step 3: Cross multiply
    120,768.49x = 166,665.72 × 67,053.51
  4. Step 4: Simplify right side
    120,768.49x = 11,175,521,522.68
  5. Step 5: Solve for x
    x = 11,175,521,522.68/120,768.49
  6. Step 6: Final answer
    x = 92,536.73

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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.