Home / 148,189.74-204,521.31-84,512.94

Finding the Fourth Proportional to 148,189.74, 204,521.31 and 84,512.94

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Solution

The fourth proportional to 148,189.74, 204,521.31 and 84,512.94 is: 116,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,189.74 : 204,521.31 = 84,512.94 : x
  2. Step 2: Convert to fraction form
    148,189.74/204,521.31 = 84,512.94/x
  3. Step 3: Cross multiply
    148,189.74x = 204,521.31 × 84,512.94
  4. Step 4: Simplify right side
    148,189.74x = 17,284,697,200.75
  5. Step 5: Solve for x
    x = 17,284,697,200.75/148,189.74
  6. Step 6: Final answer
    x = 116,638.96

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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.