Home / 148,276.56-204,636.30-84,623.94

Finding the Fourth Proportional to 148,276.56, 204,636.30 and 84,623.94

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Solution

The fourth proportional to 148,276.56, 204,636.30 and 84,623.94 is: 116,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,276.56 : 204,636.30 = 84,623.94 : x
  2. Step 2: Convert to fraction form
    148,276.56/204,636.30 = 84,623.94/x
  3. Step 3: Cross multiply
    148,276.56x = 204,636.30 × 84,623.94
  4. Step 4: Simplify right side
    148,276.56x = 17,317,129,973.02
  5. Step 5: Solve for x
    x = 17,317,129,973.02/148,276.56
  6. Step 6: Final answer
    x = 116,789.40

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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.