Home / 185,983.63-256,659.96-101,102.51

Finding the Fourth Proportional to 185,983.63, 256,659.96 and 101,102.51

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Solution

The fourth proportional to 185,983.63, 256,659.96 and 101,102.51 is: 139,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,983.63 : 256,659.96 = 101,102.51 : x
  2. Step 2: Convert to fraction form
    185,983.63/256,659.96 = 101,102.51/x
  3. Step 3: Cross multiply
    185,983.63x = 256,659.96 × 101,102.51
  4. Step 4: Simplify right side
    185,983.63x = 25,948,967,193.28
  5. Step 5: Solve for x
    x = 25,948,967,193.28/185,983.63
  6. Step 6: Final answer
    x = 139,522.86

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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.