Home / 312,946.65-431,834.63-192,093.03

Finding the Fourth Proportional to 312,946.65, 431,834.63 and 192,093.03

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Solution

The fourth proportional to 312,946.65, 431,834.63 and 192,093.03 is: 265,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,946.65 : 431,834.63 = 192,093.03 : x
  2. Step 2: Convert to fraction form
    312,946.65/431,834.63 = 192,093.03/x
  3. Step 3: Cross multiply
    312,946.65x = 431,834.63 × 192,093.03
  4. Step 4: Simplify right side
    312,946.65x = 82,952,421,575.16
  5. Step 5: Solve for x
    x = 82,952,421,575.16/312,946.65
  6. Step 6: Final answer
    x = 265,068.89

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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.