Home / 173,990.21-260,944.38-98,121.38

Finding the Fourth Proportional to 173,990.21, 260,944.38 and 98,121.38

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Solution

The fourth proportional to 173,990.21, 260,944.38 and 98,121.38 is: 147,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,990.21 : 260,944.38 = 98,121.38 : x
  2. Step 2: Convert to fraction form
    173,990.21/260,944.38 = 98,121.38/x
  3. Step 3: Cross multiply
    173,990.21x = 260,944.38 × 98,121.38
  4. Step 4: Simplify right side
    173,990.21x = 25,604,221,364.12
  5. Step 5: Solve for x
    x = 25,604,221,364.12/173,990.21
  6. Step 6: Final answer
    x = 147,158.98

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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.