Home / 196,322.59-294,263.16-99,989.47

Finding the Fourth Proportional to 196,322.59, 294,263.16 and 99,989.47

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Solution

The fourth proportional to 196,322.59, 294,263.16 and 99,989.47 is: 149,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,322.59 : 294,263.16 = 99,989.47 : x
  2. Step 2: Convert to fraction form
    196,322.59/294,263.16 = 99,989.47/x
  3. Step 3: Cross multiply
    196,322.59x = 294,263.16 × 99,989.47
  4. Step 4: Simplify right side
    196,322.59x = 29,423,217,408.93
  5. Step 5: Solve for x
    x = 29,423,217,408.93/196,322.59
  6. Step 6: Final answer
    x = 149,871.79

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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.