Home / 107,143.07-160,241.57-64,906.43

Finding the Fourth Proportional to 107,143.07, 160,241.57 and 64,906.43

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Solution

The fourth proportional to 107,143.07, 160,241.57 and 64,906.43 is: 97,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143.07 : 160,241.57 = 64,906.43 : x
  2. Step 2: Convert to fraction form
    107,143.07/160,241.57 = 64,906.43/x
  3. Step 3: Cross multiply
    107,143.07x = 160,241.57 × 64,906.43
  4. Step 4: Simplify right side
    107,143.07x = 10,400,707,921.76
  5. Step 5: Solve for x
    x = 10,400,707,921.76/107,143.07
  6. Step 6: Final answer
    x = 97,073.08

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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.