Home / 119,209.94-164,521.14-68,212.52

Finding the Fourth Proportional to 119,209.94, 164,521.14 and 68,212.52

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Solution

The fourth proportional to 119,209.94, 164,521.14 and 68,212.52 is: 94,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.94 : 164,521.14 = 68,212.52 : x
  2. Step 2: Convert to fraction form
    119,209.94/164,521.14 = 68,212.52/x
  3. Step 3: Cross multiply
    119,209.94x = 164,521.14 × 68,212.52
  4. Step 4: Simplify right side
    119,209.94x = 11,222,401,552.67
  5. Step 5: Solve for x
    x = 11,222,401,552.67/119,209.94
  6. Step 6: Final answer
    x = 94,139.81

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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.