Home / 105,913.87-146,160.97-58,167.22

Finding the Fourth Proportional to 105,913.87, 146,160.97 and 58,167.22

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Solution

The fourth proportional to 105,913.87, 146,160.97 and 58,167.22 is: 80,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.87 : 146,160.97 = 58,167.22 : x
  2. Step 2: Convert to fraction form
    105,913.87/146,160.97 = 58,167.22/x
  3. Step 3: Cross multiply
    105,913.87x = 146,160.97 × 58,167.22
  4. Step 4: Simplify right side
    105,913.87x = 8,501,777,297.40
  5. Step 5: Solve for x
    x = 8,501,777,297.40/105,913.87
  6. Step 6: Final answer
    x = 80,270.67

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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.