Home / 165,534.16-228,035.72-123,018.96

Finding the Fourth Proportional to 165,534.16, 228,035.72 and 123,018.96

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Solution

The fourth proportional to 165,534.16, 228,035.72 and 123,018.96 is: 169,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,534.16 : 228,035.72 = 123,018.96 : x
  2. Step 2: Convert to fraction form
    165,534.16/228,035.72 = 123,018.96/x
  3. Step 3: Cross multiply
    165,534.16x = 228,035.72 × 123,018.96
  4. Step 4: Simplify right side
    165,534.16x = 28,052,717,117.25
  5. Step 5: Solve for x
    x = 28,052,717,117.25/165,534.16
  6. Step 6: Final answer
    x = 169,467.84

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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.