Home / 106,535.40-146,956.82-68,281.34

Finding the Fourth Proportional to 106,535.40, 146,956.82 and 68,281.34

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Solution

The fourth proportional to 106,535.40, 146,956.82 and 68,281.34 is: 94,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,535.40 : 146,956.82 = 68,281.34 : x
  2. Step 2: Convert to fraction form
    106,535.40/146,956.82 = 68,281.34/x
  3. Step 3: Cross multiply
    106,535.40x = 146,956.82 × 68,281.34
  4. Step 4: Simplify right side
    106,535.40x = 10,034,408,591.74
  5. Step 5: Solve for x
    x = 10,034,408,591.74/106,535.40
  6. Step 6: Final answer
    x = 94,188.49

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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.