Home / 119,177.10-164,465.46-65,463.21

Finding the Fourth Proportional to 119,177.10, 164,465.46 and 65,463.21

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Solution

The fourth proportional to 119,177.10, 164,465.46 and 65,463.21 is: 90,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,177.10 : 164,465.46 = 65,463.21 : x
  2. Step 2: Convert to fraction form
    119,177.10/164,465.46 = 65,463.21/x
  3. Step 3: Cross multiply
    119,177.10x = 164,465.46 × 65,463.21
  4. Step 4: Simplify right side
    119,177.10x = 10,766,436,945.73
  5. Step 5: Solve for x
    x = 10,766,436,945.73/119,177.10
  6. Step 6: Final answer
    x = 90,339.81

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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.