Home / 254,081.73-350,630.40-139,358.04

Finding the Fourth Proportional to 254,081.73, 350,630.40 and 139,358.04

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Solution

The fourth proportional to 254,081.73, 350,630.40 and 139,358.04 is: 192,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,081.73 : 350,630.40 = 139,358.04 : x
  2. Step 2: Convert to fraction form
    254,081.73/350,630.40 = 139,358.04/x
  3. Step 3: Cross multiply
    254,081.73x = 350,630.40 × 139,358.04
  4. Step 4: Simplify right side
    254,081.73x = 48,863,165,308.42
  5. Step 5: Solve for x
    x = 48,863,165,308.42/254,081.73
  6. Step 6: Final answer
    x = 192,312.79

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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.