Home / 120,981.33-166,953.67-67,263.14

Finding the Fourth Proportional to 120,981.33, 166,953.67 and 67,263.14

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Solution

The fourth proportional to 120,981.33, 166,953.67 and 67,263.14 is: 92,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,981.33 : 166,953.67 = 67,263.14 : x
  2. Step 2: Convert to fraction form
    120,981.33/166,953.67 = 67,263.14/x
  3. Step 3: Cross multiply
    120,981.33x = 166,953.67 × 67,263.14
  4. Step 4: Simplify right side
    120,981.33x = 11,229,828,327.95
  5. Step 5: Solve for x
    x = 11,229,828,327.95/120,981.33
  6. Step 6: Final answer
    x = 92,822.82

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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.