Home / 342,384.69-513,156.39-192,309.51

Finding the Fourth Proportional to 342,384.69, 513,156.39 and 192,309.51

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Solution

The fourth proportional to 342,384.69, 513,156.39 and 192,309.51 is: 288,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,384.69 : 513,156.39 = 192,309.51 : x
  2. Step 2: Convert to fraction form
    342,384.69/513,156.39 = 192,309.51/x
  3. Step 3: Cross multiply
    342,384.69x = 513,156.39 × 192,309.51
  4. Step 4: Simplify right side
    342,384.69x = 98,684,853,914.27
  5. Step 5: Solve for x
    x = 98,684,853,914.27/342,384.69
  6. Step 6: Final answer
    x = 288,228.00

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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.