Home / 106,105.73-146,486.45-70,344.17

Finding the Fourth Proportional to 106,105.73, 146,486.45 and 70,344.17

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Solution

The fourth proportional to 106,105.73, 146,486.45 and 70,344.17 is: 97,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.73 : 146,486.45 = 70,344.17 : x
  2. Step 2: Convert to fraction form
    106,105.73/146,486.45 = 70,344.17/x
  3. Step 3: Cross multiply
    106,105.73x = 146,486.45 × 70,344.17
  4. Step 4: Simplify right side
    106,105.73x = 10,304,467,741.50
  5. Step 5: Solve for x
    x = 10,304,467,741.50/106,105.73
  6. Step 6: Final answer
    x = 97,115.09

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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.