Home / 113,201.64-169,649.28-43,042.68

Finding the Fourth Proportional to 113,201.64, 169,649.28 and 43,042.68

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Solution

The fourth proportional to 113,201.64, 169,649.28 and 43,042.68 is: 64,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.64 : 169,649.28 = 43,042.68 : x
  2. Step 2: Convert to fraction form
    113,201.64/169,649.28 = 43,042.68/x
  3. Step 3: Cross multiply
    113,201.64x = 169,649.28 × 43,042.68
  4. Step 4: Simplify right side
    113,201.64x = 7,302,159,671.27
  5. Step 5: Solve for x
    x = 7,302,159,671.27/113,201.64
  6. Step 6: Final answer
    x = 64,505.78

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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.