Home / 116,458.68-160,708.14-66,162.36

Finding the Fourth Proportional to 116,458.68, 160,708.14 and 66,162.36

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Solution

The fourth proportional to 116,458.68, 160,708.14 and 66,162.36 is: 91,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,458.68 : 160,708.14 = 66,162.36 : x
  2. Step 2: Convert to fraction form
    116,458.68/160,708.14 = 66,162.36/x
  3. Step 3: Cross multiply
    116,458.68x = 160,708.14 × 66,162.36
  4. Step 4: Simplify right side
    116,458.68x = 10,632,829,813.61
  5. Step 5: Solve for x
    x = 10,632,829,813.61/116,458.68
  6. Step 6: Final answer
    x = 91,301.31

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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.