Home / 173,904.78-239,981.72-98,453.28

Finding the Fourth Proportional to 173,904.78, 239,981.72 and 98,453.28

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Solution

The fourth proportional to 173,904.78, 239,981.72 and 98,453.28 is: 135,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,904.78 : 239,981.72 = 98,453.28 : x
  2. Step 2: Convert to fraction form
    173,904.78/239,981.72 = 98,453.28/x
  3. Step 3: Cross multiply
    173,904.78x = 239,981.72 × 98,453.28
  4. Step 4: Simplify right side
    173,904.78x = 23,626,987,474.04
  5. Step 5: Solve for x
    x = 23,626,987,474.04/173,904.78
  6. Step 6: Final answer
    x = 135,861.63

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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.