Home / 285,098.54-393,278.04-183,009.38

Finding the Fourth Proportional to 285,098.54, 393,278.04 and 183,009.38

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Solution

The fourth proportional to 285,098.54, 393,278.04 and 183,009.38 is: 252,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,098.54 : 393,278.04 = 183,009.38 : x
  2. Step 2: Convert to fraction form
    285,098.54/393,278.04 = 183,009.38/x
  3. Step 3: Cross multiply
    285,098.54x = 393,278.04 × 183,009.38
  4. Step 4: Simplify right side
    285,098.54x = 71,973,568,301.63
  5. Step 5: Solve for x
    x = 71,973,568,301.63/285,098.54
  6. Step 6: Final answer
    x = 252,451.55

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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.