Home / 113,302.78-169,801.09-43,143.82

Finding the Fourth Proportional to 113,302.78, 169,801.09 and 43,143.82

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Solution

The fourth proportional to 113,302.78, 169,801.09 and 43,143.82 is: 64,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,302.78 : 169,801.09 = 43,143.82 : x
  2. Step 2: Convert to fraction form
    113,302.78/169,801.09 = 43,143.82/x
  3. Step 3: Cross multiply
    113,302.78x = 169,801.09 × 43,143.82
  4. Step 4: Simplify right side
    113,302.78x = 7,325,867,130.40
  5. Step 5: Solve for x
    x = 7,325,867,130.40/113,302.78
  6. Step 6: Final answer
    x = 64,657.44

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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.