Home / 305,583.90-458,400.36-116,135.04

Finding the Fourth Proportional to 305,583.90, 458,400.36 and 116,135.04

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Solution

The fourth proportional to 305,583.90, 458,400.36 and 116,135.04 is: 174,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,583.90 : 458,400.36 = 116,135.04 : x
  2. Step 2: Convert to fraction form
    305,583.90/458,400.36 = 116,135.04/x
  3. Step 3: Cross multiply
    305,583.90x = 458,400.36 × 116,135.04
  4. Step 4: Simplify right side
    305,583.90x = 53,236,344,144.61
  5. Step 5: Solve for x
    x = 53,236,344,144.61/305,583.90
  6. Step 6: Final answer
    x = 174,211.87

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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.