Home / 179,485.89-247,687.49-98,911.69

Finding the Fourth Proportional to 179,485.89, 247,687.49 and 98,911.69

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Solution

The fourth proportional to 179,485.89, 247,687.49 and 98,911.69 is: 136,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,485.89 : 247,687.49 = 98,911.69 : x
  2. Step 2: Convert to fraction form
    179,485.89/247,687.49 = 98,911.69/x
  3. Step 3: Cross multiply
    179,485.89x = 247,687.49 × 98,911.69
  4. Step 4: Simplify right side
    179,485.89x = 24,499,187,682.24
  5. Step 5: Solve for x
    x = 24,499,187,682.24/179,485.89
  6. Step 6: Final answer
    x = 136,496.45

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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.