Home / 305,440.03-458,160.09-95,078.08

Finding the Fourth Proportional to 305,440.03, 458,160.09 and 95,078.08

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Solution

The fourth proportional to 305,440.03, 458,160.09 and 95,078.08 is: 142,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,440.03 : 458,160.09 = 95,078.08 : x
  2. Step 2: Convert to fraction form
    305,440.03/458,160.09 = 95,078.08/x
  3. Step 3: Cross multiply
    305,440.03x = 458,160.09 × 95,078.08
  4. Step 4: Simplify right side
    305,440.03x = 43,560,981,689.83
  5. Step 5: Solve for x
    x = 43,560,981,689.83/305,440.03
  6. Step 6: Final answer
    x = 142,617.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.