Home / 342,905.50-473,213.39-189,946.04

Finding the Fourth Proportional to 342,905.50, 473,213.39 and 189,946.04

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Solution

The fourth proportional to 342,905.50, 473,213.39 and 189,946.04 is: 262,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,905.50 : 473,213.39 = 189,946.04 : x
  2. Step 2: Convert to fraction form
    342,905.50/473,213.39 = 189,946.04/x
  3. Step 3: Cross multiply
    342,905.50x = 473,213.39 × 189,946.04
  4. Step 4: Simplify right side
    342,905.50x = 89,885,008,589.04
  5. Step 5: Solve for x
    x = 89,885,008,589.04/342,905.50
  6. Step 6: Final answer
    x = 262,127.64

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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.