Home / 165,688.20-228,655.44-94,065.84

Finding the Fourth Proportional to 165,688.20, 228,655.44 and 94,065.84

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Solution

The fourth proportional to 165,688.20, 228,655.44 and 94,065.84 is: 129,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,688.20 : 228,655.44 = 94,065.84 : x
  2. Step 2: Convert to fraction form
    165,688.20/228,655.44 = 94,065.84/x
  3. Step 3: Cross multiply
    165,688.20x = 228,655.44 × 94,065.84
  4. Step 4: Simplify right side
    165,688.20x = 21,508,666,034.17
  5. Step 5: Solve for x
    x = 21,508,666,034.17/165,688.20
  6. Step 6: Final answer
    x = 129,814.11

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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.