Home / 251,933.99-347,678.78-143,048.52

Finding the Fourth Proportional to 251,933.99, 347,678.78 and 143,048.52

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Solution

The fourth proportional to 251,933.99, 347,678.78 and 143,048.52 is: 197,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,933.99 : 347,678.78 = 143,048.52 : x
  2. Step 2: Convert to fraction form
    251,933.99/347,678.78 = 143,048.52/x
  3. Step 3: Cross multiply
    251,933.99x = 347,678.78 × 143,048.52
  4. Step 4: Simplify right side
    251,933.99x = 49,734,934,199.16
  5. Step 5: Solve for x
    x = 49,734,934,199.16/251,933.99
  6. Step 6: Final answer
    x = 197,412.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.