Home / 245,917.81-339,381.04-150,442.80

Finding the Fourth Proportional to 245,917.81, 339,381.04 and 150,442.80

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Solution

The fourth proportional to 245,917.81, 339,381.04 and 150,442.80 is: 207,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,917.81 : 339,381.04 = 150,442.80 : x
  2. Step 2: Convert to fraction form
    245,917.81/339,381.04 = 150,442.80/x
  3. Step 3: Cross multiply
    245,917.81x = 339,381.04 × 150,442.80
  4. Step 4: Simplify right side
    245,917.81x = 51,057,433,924.51
  5. Step 5: Solve for x
    x = 51,057,433,924.51/245,917.81
  6. Step 6: Final answer
    x = 207,619.91

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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.