Home / 236,633.10-354,738.06-86,838.66

Finding the Fourth Proportional to 236,633.10, 354,738.06 and 86,838.66

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Solution

The fourth proportional to 236,633.10, 354,738.06 and 86,838.66 is: 130,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,633.10 : 354,738.06 = 86,838.66 : x
  2. Step 2: Convert to fraction form
    236,633.10/354,738.06 = 86,838.66/x
  3. Step 3: Cross multiply
    236,633.10x = 354,738.06 × 86,838.66
  4. Step 4: Simplify right side
    236,633.10x = 30,804,977,781.40
  5. Step 5: Solve for x
    x = 30,804,977,781.40/236,633.10
  6. Step 6: Final answer
    x = 130,180.34

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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.