Home / 147,728.60-203,864.20-84,069.89

Finding the Fourth Proportional to 147,728.60, 203,864.20 and 84,069.89

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Solution

The fourth proportional to 147,728.60, 203,864.20 and 84,069.89 is: 116,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,728.60 : 203,864.20 = 84,069.89 : x
  2. Step 2: Convert to fraction form
    147,728.60/203,864.20 = 84,069.89/x
  3. Step 3: Cross multiply
    147,728.60x = 203,864.20 × 84,069.89
  4. Step 4: Simplify right side
    147,728.60x = 17,138,840,868.94
  5. Step 5: Solve for x
    x = 17,138,840,868.94/147,728.60
  6. Step 6: Final answer
    x = 116,015.73

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1.5x scale

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.