Home / 196,008.93-293,755.05-77,615.68

Finding the Fourth Proportional to 196,008.93, 293,755.05 and 77,615.68

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Solution

The fourth proportional to 196,008.93, 293,755.05 and 77,615.68 is: 116,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,008.93 : 293,755.05 = 77,615.68 : x
  2. Step 2: Convert to fraction form
    196,008.93/293,755.05 = 77,615.68/x
  3. Step 3: Cross multiply
    196,008.93x = 293,755.05 × 77,615.68
  4. Step 4: Simplify right side
    196,008.93x = 22,799,997,571.11
  5. Step 5: Solve for x
    x = 22,799,997,571.11/196,008.93
  6. Step 6: Final answer
    x = 116,321.22

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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.