Home / 205,392.24-308,081.68-93,072.78

Finding the Fourth Proportional to 205,392.24, 308,081.68 and 93,072.78

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Solution

The fourth proportional to 205,392.24, 308,081.68 and 93,072.78 is: 139,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,392.24 : 308,081.68 = 93,072.78 : x
  2. Step 2: Convert to fraction form
    205,392.24/308,081.68 = 93,072.78/x
  3. Step 3: Cross multiply
    205,392.24x = 308,081.68 × 93,072.78
  4. Step 4: Simplify right side
    205,392.24x = 28,674,018,191.99
  5. Step 5: Solve for x
    x = 28,674,018,191.99/205,392.24
  6. Step 6: Final answer
    x = 139,606.14

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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.