Home / 165,263.43-227,985.75-119,841.78

Finding the Fourth Proportional to 165,263.43, 227,985.75 and 119,841.78

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Solution

The fourth proportional to 165,263.43, 227,985.75 and 119,841.78 is: 165,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,263.43 : 227,985.75 = 119,841.78 : x
  2. Step 2: Convert to fraction form
    165,263.43/227,985.75 = 119,841.78/x
  3. Step 3: Cross multiply
    165,263.43x = 227,985.75 × 119,841.78
  4. Step 4: Simplify right side
    165,263.43x = 27,322,218,094.64
  5. Step 5: Solve for x
    x = 27,322,218,094.64/165,263.43
  6. Step 6: Final answer
    x = 165,325.25

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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.