Home / 119,179.42-164,427.26-68,155.80

Finding the Fourth Proportional to 119,179.42, 164,427.26 and 68,155.80

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Solution

The fourth proportional to 119,179.42, 164,427.26 and 68,155.80 is: 94,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.42 : 164,427.26 = 68,155.80 : x
  2. Step 2: Convert to fraction form
    119,179.42/164,427.26 = 68,155.80/x
  3. Step 3: Cross multiply
    119,179.42x = 164,427.26 × 68,155.80
  4. Step 4: Simplify right side
    119,179.42x = 11,206,671,447.11
  5. Step 5: Solve for x
    x = 11,206,671,447.11/119,179.42
  6. Step 6: Final answer
    x = 94,031.93

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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.