Home / 203,753.04-305,633.34-70,637.64

Finding the Fourth Proportional to 203,753.04, 305,633.34 and 70,637.64

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Solution

The fourth proportional to 203,753.04, 305,633.34 and 70,637.64 is: 105,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,753.04 : 305,633.34 = 70,637.64 : x
  2. Step 2: Convert to fraction form
    203,753.04/305,633.34 = 70,637.64/x
  3. Step 3: Cross multiply
    203,753.04x = 305,633.34 × 70,637.64
  4. Step 4: Simplify right side
    203,753.04x = 21,589,217,842.92
  5. Step 5: Solve for x
    x = 21,589,217,842.92/203,753.04
  6. Step 6: Final answer
    x = 105,957.77

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1.5x scale

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.