Home / 104,166.14-143,739-58,217.30

Finding the Fourth Proportional to 104,166.14, 143,739 and 58,217.30

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Solution

The fourth proportional to 104,166.14, 143,739 and 58,217.30 is: 80,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.14 : 143,739 = 58,217.30 : x
  2. Step 2: Convert to fraction form
    104,166.14/143,739 = 58,217.30/x
  3. Step 3: Cross multiply
    104,166.14x = 143,739 × 58,217.30
  4. Step 4: Simplify right side
    104,166.14x = 8,368,096,484.70
  5. Step 5: Solve for x
    x = 8,368,096,484.70/104,166.14
  6. Step 6: Final answer
    x = 80,334.13

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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.