Home / 106,507.88-146,934.28-70,162.36

Finding the Fourth Proportional to 106,507.88, 146,934.28 and 70,162.36

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Solution

The fourth proportional to 106,507.88, 146,934.28 and 70,162.36 is: 96,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,507.88 : 146,934.28 = 70,162.36 : x
  2. Step 2: Convert to fraction form
    106,507.88/146,934.28 = 70,162.36/x
  3. Step 3: Cross multiply
    106,507.88x = 146,934.28 × 70,162.36
  4. Step 4: Simplify right side
    106,507.88x = 10,309,255,849.70
  5. Step 5: Solve for x
    x = 10,309,255,849.70/106,507.88
  6. Step 6: Final answer
    x = 96,793.36

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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.