Home / 136,987.44-205,497.63-48,222.51

Finding the Fourth Proportional to 136,987.44, 205,497.63 and 48,222.51

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Solution

The fourth proportional to 136,987.44, 205,497.63 and 48,222.51 is: 72,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,987.44 : 205,497.63 = 48,222.51 : x
  2. Step 2: Convert to fraction form
    136,987.44/205,497.63 = 48,222.51/x
  3. Step 3: Cross multiply
    136,987.44x = 205,497.63 × 48,222.51
  4. Step 4: Simplify right side
    136,987.44x = 9,909,611,517.65
  5. Step 5: Solve for x
    x = 9,909,611,517.65/136,987.44
  6. Step 6: Final answer
    x = 72,339.56

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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.