Home / 106,151.88-146,488.52-58,405.28

Finding the Fourth Proportional to 106,151.88, 146,488.52 and 58,405.28

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Solution

The fourth proportional to 106,151.88, 146,488.52 and 58,405.28 is: 80,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,151.88 : 146,488.52 = 58,405.28 : x
  2. Step 2: Convert to fraction form
    106,151.88/146,488.52 = 58,405.28/x
  3. Step 3: Cross multiply
    106,151.88x = 146,488.52 × 58,405.28
  4. Step 4: Simplify right side
    106,151.88x = 8,555,703,027.39
  5. Step 5: Solve for x
    x = 8,555,703,027.39/106,151.88
  6. Step 6: Final answer
    x = 80,598.70

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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.