Home / 165,560.76-248,341.14-72,066.51

Finding the Fourth Proportional to 165,560.76, 248,341.14 and 72,066.51

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Solution

The fourth proportional to 165,560.76, 248,341.14 and 72,066.51 is: 108,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,560.76 : 248,341.14 = 72,066.51 : x
  2. Step 2: Convert to fraction form
    165,560.76/248,341.14 = 72,066.51/x
  3. Step 3: Cross multiply
    165,560.76x = 248,341.14 × 72,066.51
  4. Step 4: Simplify right side
    165,560.76x = 17,897,079,249.22
  5. Step 5: Solve for x
    x = 17,897,079,249.22/165,560.76
  6. Step 6: Final answer
    x = 108,099.77

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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.