Home / 196,342.04-294,496.65-77,981.60

Finding the Fourth Proportional to 196,342.04, 294,496.65 and 77,981.60

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Solution

The fourth proportional to 196,342.04, 294,496.65 and 77,981.60 is: 116,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,342.04 : 294,496.65 = 77,981.60 : x
  2. Step 2: Convert to fraction form
    196,342.04/294,496.65 = 77,981.60/x
  3. Step 3: Cross multiply
    196,342.04x = 294,496.65 × 77,981.60
  4. Step 4: Simplify right side
    196,342.04x = 22,965,320,697.88
  5. Step 5: Solve for x
    x = 22,965,320,697.88/196,342.04
  6. Step 6: Final answer
    x = 116,965.88

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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.