Home / 106,107.73-146,489.21-70,346.17

Finding the Fourth Proportional to 106,107.73, 146,489.21 and 70,346.17

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Solution

The fourth proportional to 106,107.73, 146,489.21 and 70,346.17 is: 97,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,107.73 : 146,489.21 = 70,346.17 : x
  2. Step 2: Convert to fraction form
    106,107.73/146,489.21 = 70,346.17/x
  3. Step 3: Cross multiply
    106,107.73x = 146,489.21 × 70,346.17
  4. Step 4: Simplify right side
    106,107.73x = 10,304,954,869.83
  5. Step 5: Solve for x
    x = 10,304,954,869.83/106,107.73
  6. Step 6: Final answer
    x = 97,117.85

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1.5x scale

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.