Home / 282,317.74-389,593.62-154,992.42

Finding the Fourth Proportional to 282,317.74, 389,593.62 and 154,992.42

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Solution

The fourth proportional to 282,317.74, 389,593.62 and 154,992.42 is: 213,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,317.74 : 389,593.62 = 154,992.42 : x
  2. Step 2: Convert to fraction form
    282,317.74/389,593.62 = 154,992.42/x
  3. Step 3: Cross multiply
    282,317.74x = 389,593.62 × 154,992.42
  4. Step 4: Simplify right side
    282,317.74x = 60,384,057,980.36
  5. Step 5: Solve for x
    x = 60,384,057,980.36/282,317.74
  6. Step 6: Final answer
    x = 213,886.87

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1.5x scale

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.