Home / 116,355.47-160,561.08-65,365.43

Finding the Fourth Proportional to 116,355.47, 160,561.08 and 65,365.43

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Solution

The fourth proportional to 116,355.47, 160,561.08 and 65,365.43 is: 90,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,355.47 : 160,561.08 = 65,365.43 : x
  2. Step 2: Convert to fraction form
    116,355.47/160,561.08 = 65,365.43/x
  3. Step 3: Cross multiply
    116,355.47x = 160,561.08 × 65,365.43
  4. Step 4: Simplify right side
    116,355.47x = 10,495,143,232.66
  5. Step 5: Solve for x
    x = 10,495,143,232.66/116,355.47
  6. Step 6: Final answer
    x = 90,198.97

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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.