Home / 194,920.07-268,989.66-105,496.07

Finding the Fourth Proportional to 194,920.07, 268,989.66 and 105,496.07

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Solution

The fourth proportional to 194,920.07, 268,989.66 and 105,496.07 is: 145,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,920.07 : 268,989.66 = 105,496.07 : x
  2. Step 2: Convert to fraction form
    194,920.07/268,989.66 = 105,496.07/x
  3. Step 3: Cross multiply
    194,920.07x = 268,989.66 × 105,496.07
  4. Step 4: Simplify right side
    194,920.07x = 28,377,350,655.69
  5. Step 5: Solve for x
    x = 28,377,350,655.69/194,920.07
  6. Step 6: Final answer
    x = 145,584.55

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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.