Home / 106,177.68-146,522-58,430.96

Finding the Fourth Proportional to 106,177.68, 146,522 and 58,430.96

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Solution

The fourth proportional to 106,177.68, 146,522 and 58,430.96 is: 80,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,177.68 : 146,522 = 58,430.96 : x
  2. Step 2: Convert to fraction form
    106,177.68/146,522 = 58,430.96/x
  3. Step 3: Cross multiply
    106,177.68x = 146,522 × 58,430.96
  4. Step 4: Simplify right side
    106,177.68x = 8,561,421,121.12
  5. Step 5: Solve for x
    x = 8,561,421,121.12/106,177.68
  6. Step 6: Final answer
    x = 80,632.96

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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.