Home / 142,942.38-214,363.26-58,678.08

Finding the Fourth Proportional to 142,942.38, 214,363.26 and 58,678.08

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Solution

The fourth proportional to 142,942.38, 214,363.26 and 58,678.08 is: 87,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,942.38 : 214,363.26 = 58,678.08 : x
  2. Step 2: Convert to fraction form
    142,942.38/214,363.26 = 58,678.08/x
  3. Step 3: Cross multiply
    142,942.38x = 214,363.26 × 58,678.08
  4. Step 4: Simplify right side
    142,942.38x = 12,578,424,519.34
  5. Step 5: Solve for x
    x = 12,578,424,519.34/142,942.38
  6. Step 6: Final answer
    x = 87,996.47

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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.