Home / 136,821.24-205,212.06-36,987.24

Finding the Fourth Proportional to 136,821.24, 205,212.06 and 36,987.24

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Solution

The fourth proportional to 136,821.24, 205,212.06 and 36,987.24 is: 55,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821.24 : 205,212.06 = 36,987.24 : x
  2. Step 2: Convert to fraction form
    136,821.24/205,212.06 = 36,987.24/x
  3. Step 3: Cross multiply
    136,821.24x = 205,212.06 × 36,987.24
  4. Step 4: Simplify right side
    136,821.24x = 7,590,227,714.11
  5. Step 5: Solve for x
    x = 7,590,227,714.11/136,821.24
  6. Step 6: Final answer
    x = 55,475.51

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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.