Home / 148,539.96-204,981.52-84,873.64

Finding the Fourth Proportional to 148,539.96, 204,981.52 and 84,873.64

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Solution

The fourth proportional to 148,539.96, 204,981.52 and 84,873.64 is: 117,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,539.96 : 204,981.52 = 84,873.64 : x
  2. Step 2: Convert to fraction form
    148,539.96/204,981.52 = 84,873.64/x
  3. Step 3: Cross multiply
    148,539.96x = 204,981.52 × 84,873.64
  4. Step 4: Simplify right side
    148,539.96x = 17,397,527,735.13
  5. Step 5: Solve for x
    x = 17,397,527,735.13/148,539.96
  6. Step 6: Final answer
    x = 117,123.55

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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.