Home / 179,968.07-248,334.75-99,390.78

Finding the Fourth Proportional to 179,968.07, 248,334.75 and 99,390.78

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Solution

The fourth proportional to 179,968.07, 248,334.75 and 99,390.78 is: 137,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,968.07 : 248,334.75 = 99,390.78 : x
  2. Step 2: Convert to fraction form
    179,968.07/248,334.75 = 99,390.78/x
  3. Step 3: Cross multiply
    179,968.07x = 248,334.75 × 99,390.78
  4. Step 4: Simplify right side
    179,968.07x = 24,682,184,503.61
  5. Step 5: Solve for x
    x = 24,682,184,503.61/179,968.07
  6. Step 6: Final answer
    x = 137,147.58

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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.