Home / 128,096.42-192,261.83-64,960.13

Finding the Fourth Proportional to 128,096.42, 192,261.83 and 64,960.13

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Solution

The fourth proportional to 128,096.42, 192,261.83 and 64,960.13 is: 97,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,096.42 : 192,261.83 = 64,960.13 : x
  2. Step 2: Convert to fraction form
    128,096.42/192,261.83 = 64,960.13/x
  3. Step 3: Cross multiply
    128,096.42x = 192,261.83 × 64,960.13
  4. Step 4: Simplify right side
    128,096.42x = 12,489,352,727.92
  5. Step 5: Solve for x
    x = 12,489,352,727.92/128,096.42
  6. Step 6: Final answer
    x = 97,499.62

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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.