Home / 393,925.06-590,838.26-109,636.94

Finding the Fourth Proportional to 393,925.06, 590,838.26 and 109,636.94

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Solution

The fourth proportional to 393,925.06, 590,838.26 and 109,636.94 is: 164,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,925.06 : 590,838.26 = 109,636.94 : x
  2. Step 2: Convert to fraction form
    393,925.06/590,838.26 = 109,636.94/x
  3. Step 3: Cross multiply
    393,925.06x = 590,838.26 × 109,636.94
  4. Step 4: Simplify right side
    393,925.06x = 64,777,698,861.32
  5. Step 5: Solve for x
    x = 64,777,698,861.32/393,925.06
  6. Step 6: Final answer
    x = 164,441.68

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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.