Home / 107,217.13-160,829.78-36,143.03

Finding the Fourth Proportional to 107,217.13, 160,829.78 and 36,143.03

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Solution

The fourth proportional to 107,217.13, 160,829.78 and 36,143.03 is: 54,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,217.13 : 160,829.78 = 36,143.03 : x
  2. Step 2: Convert to fraction form
    107,217.13/160,829.78 = 36,143.03/x
  3. Step 3: Cross multiply
    107,217.13x = 160,829.78 × 36,143.03
  4. Step 4: Simplify right side
    107,217.13x = 5,812,875,563.43
  5. Step 5: Solve for x
    x = 5,812,875,563.43/107,217.13
  6. Step 6: Final answer
    x = 54,215.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.