Home / 158,819.94-219,274.09-98,455.10

Finding the Fourth Proportional to 158,819.94, 219,274.09 and 98,455.10

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Solution

The fourth proportional to 158,819.94, 219,274.09 and 98,455.10 is: 135,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,819.94 : 219,274.09 = 98,455.10 : x
  2. Step 2: Convert to fraction form
    158,819.94/219,274.09 = 98,455.10/x
  3. Step 3: Cross multiply
    158,819.94x = 219,274.09 × 98,455.10
  4. Step 4: Simplify right side
    158,819.94x = 21,588,651,115.85
  5. Step 5: Solve for x
    x = 21,588,651,115.85/158,819.94
  6. Step 6: Final answer
    x = 135,931.62

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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.