Home / 151,983.67-209,763.51-88,358.37

Finding the Fourth Proportional to 151,983.67, 209,763.51 and 88,358.37

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Solution

The fourth proportional to 151,983.67, 209,763.51 and 88,358.37 is: 121,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,983.67 : 209,763.51 = 88,358.37 : x
  2. Step 2: Convert to fraction form
    151,983.67/209,763.51 = 88,358.37/x
  3. Step 3: Cross multiply
    151,983.67x = 209,763.51 × 88,358.37
  4. Step 4: Simplify right side
    151,983.67x = 18,534,361,829.08
  5. Step 5: Solve for x
    x = 18,534,361,829.08/151,983.67
  6. Step 6: Final answer
    x = 121,949.69

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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.