Home / 106,644.80-147,168.60-58,246.49

Finding the Fourth Proportional to 106,644.80, 147,168.60 and 58,246.49

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Solution

The fourth proportional to 106,644.80, 147,168.60 and 58,246.49 is: 80,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,644.80 : 147,168.60 = 58,246.49 : x
  2. Step 2: Convert to fraction form
    106,644.80/147,168.60 = 58,246.49/x
  3. Step 3: Cross multiply
    106,644.80x = 147,168.60 × 58,246.49
  4. Step 4: Simplify right side
    106,644.80x = 8,572,054,537.71
  5. Step 5: Solve for x
    x = 8,572,054,537.71/106,644.80
  6. Step 6: Final answer
    x = 80,379.49

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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.