Home / 196,321.59-294,261.66-99,988.47

Finding the Fourth Proportional to 196,321.59, 294,261.66 and 99,988.47

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Solution

The fourth proportional to 196,321.59, 294,261.66 and 99,988.47 is: 149,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321.59 : 294,261.66 = 99,988.47 : x
  2. Step 2: Convert to fraction form
    196,321.59/294,261.66 = 99,988.47/x
  3. Step 3: Cross multiply
    196,321.59x = 294,261.66 × 99,988.47
  4. Step 4: Simplify right side
    196,321.59x = 29,422,773,163.06
  5. Step 5: Solve for x
    x = 29,422,773,163.06/196,321.59
  6. Step 6: Final answer
    x = 149,870.29

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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.