Home / 104,218.40-143,812.88-58,900.48

Finding the Fourth Proportional to 104,218.40, 143,812.88 and 58,900.48

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Solution

The fourth proportional to 104,218.40, 143,812.88 and 58,900.48 is: 81,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.40 : 143,812.88 = 58,900.48 : x
  2. Step 2: Convert to fraction form
    104,218.40/143,812.88 = 58,900.48/x
  3. Step 3: Cross multiply
    104,218.40x = 143,812.88 × 58,900.48
  4. Step 4: Simplify right side
    104,218.40x = 8,470,647,662.18
  5. Step 5: Solve for x
    x = 8,470,647,662.18/104,218.40
  6. Step 6: Final answer
    x = 81,277.85

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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.