Home / 189,545.43-284,072.04-77,094.75

Finding the Fourth Proportional to 189,545.43, 284,072.04 and 77,094.75

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Solution

The fourth proportional to 189,545.43, 284,072.04 and 77,094.75 is: 115,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,545.43 : 284,072.04 = 77,094.75 : x
  2. Step 2: Convert to fraction form
    189,545.43/284,072.04 = 77,094.75/x
  3. Step 3: Cross multiply
    189,545.43x = 284,072.04 × 77,094.75
  4. Step 4: Simplify right side
    189,545.43x = 21,900,462,905.79
  5. Step 5: Solve for x
    x = 21,900,462,905.79/189,545.43
  6. Step 6: Final answer
    x = 115,542.03

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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.