Home / 113,573.13-156,734.16-63,275.37

Finding the Fourth Proportional to 113,573.13, 156,734.16 and 63,275.37

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Solution

The fourth proportional to 113,573.13, 156,734.16 and 63,275.37 is: 87,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,573.13 : 156,734.16 = 63,275.37 : x
  2. Step 2: Convert to fraction form
    113,573.13/156,734.16 = 63,275.37/x
  3. Step 3: Cross multiply
    113,573.13x = 156,734.16 × 63,275.37
  4. Step 4: Simplify right side
    113,573.13x = 9,917,410,865.59
  5. Step 5: Solve for x
    x = 9,917,410,865.59/113,573.13
  6. Step 6: Final answer
    x = 87,321.81

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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.