Home / 106,149.90-146,485.76-58,403.28

Finding the Fourth Proportional to 106,149.90, 146,485.76 and 58,403.28

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Solution

The fourth proportional to 106,149.90, 146,485.76 and 58,403.28 is: 80,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149.90 : 146,485.76 = 58,403.28 : x
  2. Step 2: Convert to fraction form
    106,149.90/146,485.76 = 58,403.28/x
  3. Step 3: Cross multiply
    106,149.90x = 146,485.76 × 58,403.28
  4. Step 4: Simplify right side
    106,149.90x = 8,555,248,857.29
  5. Step 5: Solve for x
    x = 8,555,248,857.29/106,149.90
  6. Step 6: Final answer
    x = 80,595.92

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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.