Home / 113,745.82-156,937.70-73,461.28

Finding the Fourth Proportional to 113,745.82, 156,937.70 and 73,461.28

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Solution

The fourth proportional to 113,745.82, 156,937.70 and 73,461.28 is: 101,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,745.82 : 156,937.70 = 73,461.28 : x
  2. Step 2: Convert to fraction form
    113,745.82/156,937.70 = 73,461.28/x
  3. Step 3: Cross multiply
    113,745.82x = 156,937.70 × 73,461.28
  4. Step 4: Simplify right side
    113,745.82x = 11,528,844,322.26
  5. Step 5: Solve for x
    x = 11,528,844,322.26/113,745.82
  6. Step 6: Final answer
    x = 101,356.20

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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.