Home / 116,867.52-161,297.44-112,979.52

Finding the Fourth Proportional to 116,867.52, 161,297.44 and 112,979.52

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Solution

The fourth proportional to 116,867.52, 161,297.44 and 112,979.52 is: 155,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,867.52 : 161,297.44 = 112,979.52 : x
  2. Step 2: Convert to fraction form
    116,867.52/161,297.44 = 112,979.52/x
  3. Step 3: Cross multiply
    116,867.52x = 161,297.44 × 112,979.52
  4. Step 4: Simplify right side
    116,867.52x = 18,223,307,348.43
  5. Step 5: Solve for x
    x = 18,223,307,348.43/116,867.52
  6. Step 6: Final answer
    x = 155,931.33

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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.