Home / 165,933.16-248,799.66-66,108.76

Finding the Fourth Proportional to 165,933.16, 248,799.66 and 66,108.76

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Solution

The fourth proportional to 165,933.16, 248,799.66 and 66,108.76 is: 99,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,933.16 : 248,799.66 = 66,108.76 : x
  2. Step 2: Convert to fraction form
    165,933.16/248,799.66 = 66,108.76/x
  3. Step 3: Cross multiply
    165,933.16x = 248,799.66 × 66,108.76
  4. Step 4: Simplify right side
    165,933.16x = 16,447,837,011.02
  5. Step 5: Solve for x
    x = 16,447,837,011.02/165,933.16
  6. Step 6: Final answer
    x = 99,123.27

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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.