Home / 196,869.84-295,308-76,935.84

Finding the Fourth Proportional to 196,869.84, 295,308 and 76,935.84

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Solution

The fourth proportional to 196,869.84, 295,308 and 76,935.84 is: 115,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,869.84 : 295,308 = 76,935.84 : x
  2. Step 2: Convert to fraction form
    196,869.84/295,308 = 76,935.84/x
  3. Step 3: Cross multiply
    196,869.84x = 295,308 × 76,935.84
  4. Step 4: Simplify right side
    196,869.84x = 22,719,769,038.72
  5. Step 5: Solve for x
    x = 22,719,769,038.72/196,869.84
  6. Step 6: Final answer
    x = 115,405.03

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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.